1# This set of tests is for features that are compatible with all versions of 2# Perl >= 5.10, in non-UTF mode. It should run clean for the 8-bit, 16-bit, and 3# 32-bit PCRE libraries, and also using the perltest.sh script. 4 5# WARNING: Use only / as the pattern delimiter. Although pcre2test supports 6# a number of delimiters, all those other than / give problems with the 7# perltest.sh script. 8 9#forbid_utf 10#newline_default lf any anycrlf 11#perltest 12 13/the quick brown fox/ 14 the quick brown fox 15 0: the quick brown fox 16 What do you know about the quick brown fox? 17 0: the quick brown fox 18\= Expect no match 19 The quick brown FOX 20No match 21 What do you know about THE QUICK BROWN FOX? 22No match 23 24/The quick brown fox/i 25 the quick brown fox 26 0: the quick brown fox 27 The quick brown FOX 28 0: The quick brown FOX 29 What do you know about the quick brown fox? 30 0: the quick brown fox 31 What do you know about THE QUICK BROWN FOX? 32 0: THE QUICK BROWN FOX 33 34/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/ 35 abcd\t\n\r\f\a\e9;\$\\?caxyz 36 0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz 37 38/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/ 39 abxyzpqrrrabbxyyyypqAzz 40 0: abxyzpqrrrabbxyyyypqAzz 41 abxyzpqrrrabbxyyyypqAzz 42 0: abxyzpqrrrabbxyyyypqAzz 43 aabxyzpqrrrabbxyyyypqAzz 44 0: aabxyzpqrrrabbxyyyypqAzz 45 aaabxyzpqrrrabbxyyyypqAzz 46 0: aaabxyzpqrrrabbxyyyypqAzz 47 aaaabxyzpqrrrabbxyyyypqAzz 48 0: aaaabxyzpqrrrabbxyyyypqAzz 49 abcxyzpqrrrabbxyyyypqAzz 50 0: abcxyzpqrrrabbxyyyypqAzz 51 aabcxyzpqrrrabbxyyyypqAzz 52 0: aabcxyzpqrrrabbxyyyypqAzz 53 aaabcxyzpqrrrabbxyyyypAzz 54 0: aaabcxyzpqrrrabbxyyyypAzz 55 aaabcxyzpqrrrabbxyyyypqAzz 56 0: aaabcxyzpqrrrabbxyyyypqAzz 57 aaabcxyzpqrrrabbxyyyypqqAzz 58 0: aaabcxyzpqrrrabbxyyyypqqAzz 59 aaabcxyzpqrrrabbxyyyypqqqAzz 60 0: aaabcxyzpqrrrabbxyyyypqqqAzz 61 aaabcxyzpqrrrabbxyyyypqqqqAzz 62 0: aaabcxyzpqrrrabbxyyyypqqqqAzz 63 aaabcxyzpqrrrabbxyyyypqqqqqAzz 64 0: aaabcxyzpqrrrabbxyyyypqqqqqAzz 65 aaabcxyzpqrrrabbxyyyypqqqqqqAzz 66 0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz 67 aaaabcxyzpqrrrabbxyyyypqAzz 68 0: aaaabcxyzpqrrrabbxyyyypqAzz 69 abxyzzpqrrrabbxyyyypqAzz 70 0: abxyzzpqrrrabbxyyyypqAzz 71 aabxyzzzpqrrrabbxyyyypqAzz 72 0: aabxyzzzpqrrrabbxyyyypqAzz 73 aaabxyzzzzpqrrrabbxyyyypqAzz 74 0: aaabxyzzzzpqrrrabbxyyyypqAzz 75 aaaabxyzzzzpqrrrabbxyyyypqAzz 76 0: aaaabxyzzzzpqrrrabbxyyyypqAzz 77 abcxyzzpqrrrabbxyyyypqAzz 78 0: abcxyzzpqrrrabbxyyyypqAzz 79 aabcxyzzzpqrrrabbxyyyypqAzz 80 0: aabcxyzzzpqrrrabbxyyyypqAzz 81 aaabcxyzzzzpqrrrabbxyyyypqAzz 82 0: aaabcxyzzzzpqrrrabbxyyyypqAzz 83 aaaabcxyzzzzpqrrrabbxyyyypqAzz 84 0: aaaabcxyzzzzpqrrrabbxyyyypqAzz 85 aaaabcxyzzzzpqrrrabbbxyyyypqAzz 86 0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz 87 aaaabcxyzzzzpqrrrabbbxyyyyypqAzz 88 0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz 89 aaabcxyzpqrrrabbxyyyypABzz 90 0: aaabcxyzpqrrrabbxyyyypABzz 91 aaabcxyzpqrrrabbxyyyypABBzz 92 0: aaabcxyzpqrrrabbxyyyypABBzz 93 >>>aaabxyzpqrrrabbxyyyypqAzz 94 0: aaabxyzpqrrrabbxyyyypqAzz 95 >aaaabxyzpqrrrabbxyyyypqAzz 96 0: aaaabxyzpqrrrabbxyyyypqAzz 97 >>>>abcxyzpqrrrabbxyyyypqAzz 98 0: abcxyzpqrrrabbxyyyypqAzz 99\= Expect no match 100 abxyzpqrrabbxyyyypqAzz 101No match 102 abxyzpqrrrrabbxyyyypqAzz 103No match 104 abxyzpqrrrabxyyyypqAzz 105No match 106 aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz 107No match 108 aaaabcxyzzzzpqrrrabbbxyyypqAzz 109No match 110 aaabcxyzpqrrrabbxyyyypqqqqqqqAzz 111No match 112 113/^(abc){1,2}zz/ 114 abczz 115 0: abczz 116 1: abc 117 abcabczz 118 0: abcabczz 119 1: abc 120\= Expect no match 121 zz 122No match 123 abcabcabczz 124No match 125 >>abczz 126No match 127 128/^(b+?|a){1,2}?c/ 129 bc 130 0: bc 131 1: b 132 bbc 133 0: bbc 134 1: b 135 bbbc 136 0: bbbc 137 1: bb 138 bac 139 0: bac 140 1: a 141 bbac 142 0: bbac 143 1: a 144 aac 145 0: aac 146 1: a 147 abbbbbbbbbbbc 148 0: abbbbbbbbbbbc 149 1: bbbbbbbbbbb 150 bbbbbbbbbbbac 151 0: bbbbbbbbbbbac 152 1: a 153\= Expect no match 154 aaac 155No match 156 abbbbbbbbbbbac 157No match 158 159/^(b+|a){1,2}c/ 160 bc 161 0: bc 162 1: b 163 bbc 164 0: bbc 165 1: bb 166 bbbc 167 0: bbbc 168 1: bbb 169 bac 170 0: bac 171 1: a 172 bbac 173 0: bbac 174 1: a 175 aac 176 0: aac 177 1: a 178 abbbbbbbbbbbc 179 0: abbbbbbbbbbbc 180 1: bbbbbbbbbbb 181 bbbbbbbbbbbac 182 0: bbbbbbbbbbbac 183 1: a 184\= Expect no match 185 aaac 186No match 187 abbbbbbbbbbbac 188No match 189 190/^(ba|b*){1,2}?bc/ 191 babc 192 0: babc 193 1: ba 194 bbabc 195 0: bbabc 196 1: ba 197 bababc 198 0: bababc 199 1: ba 200\= Expect no match 201 bababbc 202No match 203 babababc 204No match 205 206/^\ca\cA\c[;\c:/ 207 \x01\x01\e;z 208 0: \x01\x01\x1b;z 209 210/^[ab\]cde]/ 211 athing 212 0: a 213 bthing 214 0: b 215 ]thing 216 0: ] 217 cthing 218 0: c 219 dthing 220 0: d 221 ething 222 0: e 223\= Expect no match 224 fthing 225No match 226 [thing 227No match 228 \\thing 229No match 230 231/^[]cde]/ 232 ]thing 233 0: ] 234 cthing 235 0: c 236 dthing 237 0: d 238 ething 239 0: e 240\= Expect no match 241 athing 242No match 243 fthing 244No match 245 246/^[^ab\]cde]/ 247 fthing 248 0: f 249 [thing 250 0: [ 251 \\thing 252 0: \ 253\= Expect no match 254 athing 255No match 256 bthing 257No match 258 ]thing 259No match 260 cthing 261No match 262 dthing 263No match 264 ething 265No match 266 267/^[^]cde]/ 268 athing 269 0: a 270 fthing 271 0: f 272\= Expect no match 273 ]thing 274No match 275 cthing 276No match 277 dthing 278No match 279 ething 280No match 281 282/^\�/ 283 � 284 0: \x81 285 286/^�/ 287 � 288 0: \xff 289 290/^[0-9]+$/ 291 0 292 0: 0 293 1 294 0: 1 295 2 296 0: 2 297 3 298 0: 3 299 4 300 0: 4 301 5 302 0: 5 303 6 304 0: 6 305 7 306 0: 7 307 8 308 0: 8 309 9 310 0: 9 311 10 312 0: 10 313 100 314 0: 100 315\= Expect no match 316 abc 317No match 318 319/^.*nter/ 320 enter 321 0: enter 322 inter 323 0: inter 324 uponter 325 0: uponter 326 327/^xxx[0-9]+$/ 328 xxx0 329 0: xxx0 330 xxx1234 331 0: xxx1234 332\= Expect no match 333 xxx 334No match 335 336/^.+[0-9][0-9][0-9]$/ 337 x123 338 0: x123 339 x1234 340 0: x1234 341 xx123 342 0: xx123 343 123456 344 0: 123456 345\= Expect no match 346 123 347No match 348 349/^.+?[0-9][0-9][0-9]$/ 350 x123 351 0: x123 352 x1234 353 0: x1234 354 xx123 355 0: xx123 356 123456 357 0: 123456 358\= Expect no match 359 123 360No match 361 362/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/ 363 abc!pqr=apquxz.ixr.zzz.ac.uk 364 0: abc!pqr=apquxz.ixr.zzz.ac.uk 365 1: abc 366 2: pqr 367\= Expect no match 368 !pqr=apquxz.ixr.zzz.ac.uk 369No match 370 abc!=apquxz.ixr.zzz.ac.uk 371No match 372 abc!pqr=apquxz:ixr.zzz.ac.uk 373No match 374 abc!pqr=apquxz.ixr.zzz.ac.ukk 375No match 376 377/:/ 378 Well, we need a colon: somewhere 379 0: : 380\= Expect no match 381 Fail without a colon 382No match 383 384/([\da-f:]+)$/i 385 0abc 386 0: 0abc 387 1: 0abc 388 abc 389 0: abc 390 1: abc 391 fed 392 0: fed 393 1: fed 394 E 395 0: E 396 1: E 397 :: 398 0: :: 399 1: :: 400 5f03:12C0::932e 401 0: 5f03:12C0::932e 402 1: 5f03:12C0::932e 403 fed def 404 0: def 405 1: def 406 Any old stuff 407 0: ff 408 1: ff 409\= Expect no match 410 0zzz 411No match 412 gzzz 413No match 414 fed\x20 415No match 416 Any old rubbish 417No match 418 419/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ 420 .1.2.3 421 0: .1.2.3 422 1: 1 423 2: 2 424 3: 3 425 A.12.123.0 426 0: A.12.123.0 427 1: 12 428 2: 123 429 3: 0 430\= Expect no match 431 .1.2.3333 432No match 433 1.2.3 434No match 435 1234.2.3 436No match 437 438/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ 439 1 IN SOA non-sp1 non-sp2( 440 0: 1 IN SOA non-sp1 non-sp2( 441 1: 1 442 2: non-sp1 443 3: non-sp2 444 1 IN SOA non-sp1 non-sp2 ( 445 0: 1 IN SOA non-sp1 non-sp2 ( 446 1: 1 447 2: non-sp1 448 3: non-sp2 449\= Expect no match 450 1IN SOA non-sp1 non-sp2( 451No match 452 453/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/ 454 a. 455 0: a. 456 Z. 457 0: Z. 458 2. 459 0: 2. 460 ab-c.pq-r. 461 0: ab-c.pq-r. 462 1: .pq-r 463 sxk.zzz.ac.uk. 464 0: sxk.zzz.ac.uk. 465 1: .uk 466 x-.y-. 467 0: x-.y-. 468 1: .y- 469\= Expect no match 470 -abc.peq. 471No match 472 473/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/ 474 *.a 475 0: *.a 476 *.b0-a 477 0: *.b0-a 478 1: 0-a 479 *.c3-b.c 480 0: *.c3-b.c 481 1: 3-b 482 2: .c 483 *.c-a.b-c 484 0: *.c-a.b-c 485 1: -a 486 2: .b-c 487 3: -c 488\= Expect no match 489 *.0 490No match 491 *.a- 492No match 493 *.a-b.c- 494No match 495 *.c-a.0-c 496No match 497 498/^(?=ab(de))(abd)(e)/ 499 abde 500 0: abde 501 1: de 502 2: abd 503 3: e 504 505/^(?!(ab)de|x)(abd)(f)/ 506 abdf 507 0: abdf 508 1: <unset> 509 2: abd 510 3: f 511 512/^(?=(ab(cd)))(ab)/ 513 abcd 514 0: ab 515 1: abcd 516 2: cd 517 3: ab 518 519/^[\da-f](\.[\da-f])*$/i 520 a.b.c.d 521 0: a.b.c.d 522 1: .d 523 A.B.C.D 524 0: A.B.C.D 525 1: .D 526 a.b.c.1.2.3.C 527 0: a.b.c.1.2.3.C 528 1: .C 529 530/^\".*\"\s*(;.*)?$/ 531 \"1234\" 532 0: "1234" 533 \"abcd\" ; 534 0: "abcd" ; 535 1: ; 536 \"\" ; rhubarb 537 0: "" ; rhubarb 538 1: ; rhubarb 539\= Expect no match 540 \"1234\" : things 541No match 542 543/^$/ 544 \ 545 0: 546\= Expect no match 547 A non-empty line 548No match 549 550/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x 551 ab c 552 0: ab c 553\= Expect no match 554 abc 555No match 556 ab cde 557No match 558 559/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/ 560 ab c 561 0: ab c 562\= Expect no match 563 abc 564No match 565 ab cde 566No match 567 568/^ a\ b[c ]d $/x 569 a bcd 570 0: a bcd 571 a b d 572 0: a b d 573\= Expect no match 574 abcd 575No match 576 ab d 577No match 578 579/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/ 580 abcdefhijklm 581 0: abcdefhijklm 582 1: abc 583 2: bc 584 3: c 585 4: def 586 5: ef 587 6: f 588 7: hij 589 8: ij 590 9: j 59110: klm 59211: lm 59312: m 594 595/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/ 596 abcdefhijklm 597 0: abcdefhijklm 598 1: bc 599 2: c 600 3: ef 601 4: f 602 5: ij 603 6: j 604 7: lm 605 8: m 606 607/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/ 608 a+ Z0+\x08\n\x1d\x12 609 0: a+ Z0+\x08\x0a\x1d\x12 610 611/^[.^$|()*+?{,}]+/ 612 .^\$(*+)|{?,?} 613 0: .^$(*+)|{?,?} 614 615/^a*\w/ 616 z 617 0: z 618 az 619 0: az 620 aaaz 621 0: aaaz 622 a 623 0: a 624 aa 625 0: aa 626 aaaa 627 0: aaaa 628 a+ 629 0: a 630 aa+ 631 0: aa 632 633/^a*?\w/ 634 z 635 0: z 636 az 637 0: a 638 aaaz 639 0: a 640 a 641 0: a 642 aa 643 0: a 644 aaaa 645 0: a 646 a+ 647 0: a 648 aa+ 649 0: a 650 651/^a+\w/ 652 az 653 0: az 654 aaaz 655 0: aaaz 656 aa 657 0: aa 658 aaaa 659 0: aaaa 660 aa+ 661 0: aa 662 663/^a+?\w/ 664 az 665 0: az 666 aaaz 667 0: aa 668 aa 669 0: aa 670 aaaa 671 0: aa 672 aa+ 673 0: aa 674 675/^\d{8}\w{2,}/ 676 1234567890 677 0: 1234567890 678 12345678ab 679 0: 12345678ab 680 12345678__ 681 0: 12345678__ 682\= Expect no match 683 1234567 684No match 685 686/^[aeiou\d]{4,5}$/ 687 uoie 688 0: uoie 689 1234 690 0: 1234 691 12345 692 0: 12345 693 aaaaa 694 0: aaaaa 695\= Expect no match 696 123456 697No match 698 699/^[aeiou\d]{4,5}?/ 700 uoie 701 0: uoie 702 1234 703 0: 1234 704 12345 705 0: 1234 706 aaaaa 707 0: aaaa 708 123456 709 0: 1234 710 711/\A(abc|def)=(\1){2,3}\Z/ 712 abc=abcabc 713 0: abc=abcabc 714 1: abc 715 2: abc 716 def=defdefdef 717 0: def=defdefdef 718 1: def 719 2: def 720\= Expect no match 721 abc=defdef 722No match 723 724/^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ 725 abcdefghijkcda2 726 0: abcdefghijkcda2 727 1: a 728 2: b 729 3: c 730 4: d 731 5: e 732 6: f 733 7: g 734 8: h 735 9: i 73610: j 73711: k 73812: cd 739 abcdefghijkkkkcda2 740 0: abcdefghijkkkkcda2 741 1: a 742 2: b 743 3: c 744 4: d 745 5: e 746 6: f 747 7: g 748 8: h 749 9: i 75010: j 75111: k 75212: cd 753 754/(cat(a(ract|tonic)|erpillar)) \1()2(3)/ 755 cataract cataract23 756 0: cataract cataract23 757 1: cataract 758 2: aract 759 3: ract 760 4: 761 5: 3 762 catatonic catatonic23 763 0: catatonic catatonic23 764 1: catatonic 765 2: atonic 766 3: tonic 767 4: 768 5: 3 769 caterpillar caterpillar23 770 0: caterpillar caterpillar23 771 1: caterpillar 772 2: erpillar 773 3: <unset> 774 4: 775 5: 3 776 777 778/^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ 779 From abcd Mon Sep 01 12:33:02 1997 780 0: From abcd Mon Sep 01 12:33 781 1: abcd 782 783/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ 784 From abcd Mon Sep 01 12:33:02 1997 785 0: From abcd Mon Sep 01 12:33 786 1: Sep 787 From abcd Mon Sep 1 12:33:02 1997 788 0: From abcd Mon Sep 1 12:33 789 1: Sep 790\= Expect no match 791 From abcd Sep 01 12:33:02 1997 792No match 793 794/^12.34/s 795 12\n34 796 0: 12\x0a34 797 12\r34 798 0: 12\x0d34 799 800/\w+(?=\t)/ 801 the quick brown\t fox 802 0: brown 803 804/foo(?!bar)(.*)/ 805 foobar is foolish see? 806 0: foolish see? 807 1: lish see? 808 809/(?:(?!foo)...|^.{0,2})bar(.*)/ 810 foobar crowbar etc 811 0: rowbar etc 812 1: etc 813 barrel 814 0: barrel 815 1: rel 816 2barrel 817 0: 2barrel 818 1: rel 819 A barrel 820 0: A barrel 821 1: rel 822 823/^(\D*)(?=\d)(?!123)/ 824 abc456 825 0: abc 826 1: abc 827\= Expect no match 828 abc123 829No match 830 831/^1234(?# test newlines 832 inside)/ 833 1234 834 0: 1234 835 836/^1234 #comment in extended re 837 /x 838 1234 839 0: 1234 840 841/#rhubarb 842 abcd/x 843 abcd 844 0: abcd 845 846/^abcd#rhubarb/x 847 abcd 848 0: abcd 849 850/^(a)\1{2,3}(.)/ 851 aaab 852 0: aaab 853 1: a 854 2: b 855 aaaab 856 0: aaaab 857 1: a 858 2: b 859 aaaaab 860 0: aaaaa 861 1: a 862 2: a 863 aaaaaab 864 0: aaaaa 865 1: a 866 2: a 867 868/(?!^)abc/ 869 the abc 870 0: abc 871\= Expect no match 872 abc 873No match 874 875/(?=^)abc/ 876 abc 877 0: abc 878\= Expect no match 879 the abc 880No match 881 882/^[ab]{1,3}(ab*|b)/ 883 aabbbbb 884 0: aabb 885 1: b 886 887/^[ab]{1,3}?(ab*|b)/ 888 aabbbbb 889 0: aabbbbb 890 1: abbbbb 891 892/^[ab]{1,3}?(ab*?|b)/ 893 aabbbbb 894 0: aa 895 1: a 896 897/^[ab]{1,3}(ab*?|b)/ 898 aabbbbb 899 0: aabb 900 1: b 901 902/ (?: [\040\t] | \( 903(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 904\) )* # optional leading comment 905(?: (?: 906[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 907(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 908| 909" (?: # opening quote... 910[^\\\x80-\xff\n\015"] # Anything except backslash and quote 911| # or 912\\ [^\x80-\xff] # Escaped something (something != CR) 913)* " # closing quote 914) # initial word 915(?: (?: [\040\t] | \( 916(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 917\) )* \. (?: [\040\t] | \( 918(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 919\) )* (?: 920[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 921(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 922| 923" (?: # opening quote... 924[^\\\x80-\xff\n\015"] # Anything except backslash and quote 925| # or 926\\ [^\x80-\xff] # Escaped something (something != CR) 927)* " # closing quote 928) )* # further okay, if led by a period 929(?: [\040\t] | \( 930(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 931\) )* @ (?: [\040\t] | \( 932(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 933\) )* (?: 934[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 935(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 936| \[ # [ 937(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 938\] # ] 939) # initial subdomain 940(?: # 941(?: [\040\t] | \( 942(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 943\) )* \. # if led by a period... 944(?: [\040\t] | \( 945(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 946\) )* (?: 947[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 948(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 949| \[ # [ 950(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 951\] # ] 952) # ...further okay 953)* 954# address 955| # or 956(?: 957[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 958(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 959| 960" (?: # opening quote... 961[^\\\x80-\xff\n\015"] # Anything except backslash and quote 962| # or 963\\ [^\x80-\xff] # Escaped something (something != CR) 964)* " # closing quote 965) # one word, optionally followed by.... 966(?: 967[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or... 968\( 969(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 970\) | # comments, or... 971 972" (?: # opening quote... 973[^\\\x80-\xff\n\015"] # Anything except backslash and quote 974| # or 975\\ [^\x80-\xff] # Escaped something (something != CR) 976)* " # closing quote 977# quoted strings 978)* 979< (?: [\040\t] | \( 980(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 981\) )* # leading < 982(?: @ (?: [\040\t] | \( 983(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 984\) )* (?: 985[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 986(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 987| \[ # [ 988(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 989\] # ] 990) # initial subdomain 991(?: # 992(?: [\040\t] | \( 993(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 994\) )* \. # if led by a period... 995(?: [\040\t] | \( 996(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 997\) )* (?: 998[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 999(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1000| \[ # [ 1001(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1002\] # ] 1003) # ...further okay 1004)* 1005 1006(?: (?: [\040\t] | \( 1007(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1008\) )* , (?: [\040\t] | \( 1009(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1010\) )* @ (?: [\040\t] | \( 1011(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1012\) )* (?: 1013[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1014(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1015| \[ # [ 1016(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1017\] # ] 1018) # initial subdomain 1019(?: # 1020(?: [\040\t] | \( 1021(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1022\) )* \. # if led by a period... 1023(?: [\040\t] | \( 1024(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1025\) )* (?: 1026[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1027(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1028| \[ # [ 1029(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1030\] # ] 1031) # ...further okay 1032)* 1033)* # further okay, if led by comma 1034: # closing colon 1035(?: [\040\t] | \( 1036(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1037\) )* )? # optional route 1038(?: 1039[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1040(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1041| 1042" (?: # opening quote... 1043[^\\\x80-\xff\n\015"] # Anything except backslash and quote 1044| # or 1045\\ [^\x80-\xff] # Escaped something (something != CR) 1046)* " # closing quote 1047) # initial word 1048(?: (?: [\040\t] | \( 1049(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1050\) )* \. (?: [\040\t] | \( 1051(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1052\) )* (?: 1053[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1054(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1055| 1056" (?: # opening quote... 1057[^\\\x80-\xff\n\015"] # Anything except backslash and quote 1058| # or 1059\\ [^\x80-\xff] # Escaped something (something != CR) 1060)* " # closing quote 1061) )* # further okay, if led by a period 1062(?: [\040\t] | \( 1063(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1064\) )* @ (?: [\040\t] | \( 1065(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1066\) )* (?: 1067[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1068(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1069| \[ # [ 1070(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1071\] # ] 1072) # initial subdomain 1073(?: # 1074(?: [\040\t] | \( 1075(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1076\) )* \. # if led by a period... 1077(?: [\040\t] | \( 1078(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1079\) )* (?: 1080[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1081(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1082| \[ # [ 1083(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1084\] # ] 1085) # ...further okay 1086)* 1087# address spec 1088(?: [\040\t] | \( 1089(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1090\) )* > # trailing > 1091# name and address 1092) (?: [\040\t] | \( 1093(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1094\) )* # optional trailing comment 1095/x 1096 Alan Other <user\@dom.ain> 1097 0: Alan Other <user@dom.ain> 1098 <user\@dom.ain> 1099 0: user@dom.ain 1100 user\@dom.ain 1101 0: user@dom.ain 1102 \"A. Other\" <user.1234\@dom.ain> (a comment) 1103 0: "A. Other" <user.1234@dom.ain> (a comment) 1104 A. Other <user.1234\@dom.ain> (a comment) 1105 0: Other <user.1234@dom.ain> (a comment) 1106 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 1107 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 1108 A missing angle <user\@some.where 1109 0: user@some.where 1110\= Expect no match 1111 The quick brown fox 1112No match 1113 1114/[\040\t]* # Nab whitespace. 1115(?: 1116\( # ( 1117[^\\\x80-\xff\n\015()] * # normal* 1118(?: # ( 1119(?: \\ [^\x80-\xff] | 1120\( # ( 1121[^\\\x80-\xff\n\015()] * # normal* 1122(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1123\) # ) 1124) # special 1125[^\\\x80-\xff\n\015()] * # normal* 1126)* # )* 1127\) # ) 1128[\040\t]* )* # If comment found, allow more spaces. 1129# optional leading comment 1130(?: 1131(?: 1132[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1133(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1134# Atom 1135| # or 1136" # " 1137[^\\\x80-\xff\n\015"] * # normal 1138(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1139" # " 1140# Quoted string 1141) 1142[\040\t]* # Nab whitespace. 1143(?: 1144\( # ( 1145[^\\\x80-\xff\n\015()] * # normal* 1146(?: # ( 1147(?: \\ [^\x80-\xff] | 1148\( # ( 1149[^\\\x80-\xff\n\015()] * # normal* 1150(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1151\) # ) 1152) # special 1153[^\\\x80-\xff\n\015()] * # normal* 1154)* # )* 1155\) # ) 1156[\040\t]* )* # If comment found, allow more spaces. 1157(?: 1158\. 1159[\040\t]* # Nab whitespace. 1160(?: 1161\( # ( 1162[^\\\x80-\xff\n\015()] * # normal* 1163(?: # ( 1164(?: \\ [^\x80-\xff] | 1165\( # ( 1166[^\\\x80-\xff\n\015()] * # normal* 1167(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1168\) # ) 1169) # special 1170[^\\\x80-\xff\n\015()] * # normal* 1171)* # )* 1172\) # ) 1173[\040\t]* )* # If comment found, allow more spaces. 1174(?: 1175[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1176(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1177# Atom 1178| # or 1179" # " 1180[^\\\x80-\xff\n\015"] * # normal 1181(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1182" # " 1183# Quoted string 1184) 1185[\040\t]* # Nab whitespace. 1186(?: 1187\( # ( 1188[^\\\x80-\xff\n\015()] * # normal* 1189(?: # ( 1190(?: \\ [^\x80-\xff] | 1191\( # ( 1192[^\\\x80-\xff\n\015()] * # normal* 1193(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1194\) # ) 1195) # special 1196[^\\\x80-\xff\n\015()] * # normal* 1197)* # )* 1198\) # ) 1199[\040\t]* )* # If comment found, allow more spaces. 1200# additional words 1201)* 1202@ 1203[\040\t]* # Nab whitespace. 1204(?: 1205\( # ( 1206[^\\\x80-\xff\n\015()] * # normal* 1207(?: # ( 1208(?: \\ [^\x80-\xff] | 1209\( # ( 1210[^\\\x80-\xff\n\015()] * # normal* 1211(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1212\) # ) 1213) # special 1214[^\\\x80-\xff\n\015()] * # normal* 1215)* # )* 1216\) # ) 1217[\040\t]* )* # If comment found, allow more spaces. 1218(?: 1219[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1220(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1221| 1222\[ # [ 1223(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1224\] # ] 1225) 1226[\040\t]* # Nab whitespace. 1227(?: 1228\( # ( 1229[^\\\x80-\xff\n\015()] * # normal* 1230(?: # ( 1231(?: \\ [^\x80-\xff] | 1232\( # ( 1233[^\\\x80-\xff\n\015()] * # normal* 1234(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1235\) # ) 1236) # special 1237[^\\\x80-\xff\n\015()] * # normal* 1238)* # )* 1239\) # ) 1240[\040\t]* )* # If comment found, allow more spaces. 1241# optional trailing comments 1242(?: 1243\. 1244[\040\t]* # Nab whitespace. 1245(?: 1246\( # ( 1247[^\\\x80-\xff\n\015()] * # normal* 1248(?: # ( 1249(?: \\ [^\x80-\xff] | 1250\( # ( 1251[^\\\x80-\xff\n\015()] * # normal* 1252(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1253\) # ) 1254) # special 1255[^\\\x80-\xff\n\015()] * # normal* 1256)* # )* 1257\) # ) 1258[\040\t]* )* # If comment found, allow more spaces. 1259(?: 1260[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1261(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1262| 1263\[ # [ 1264(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1265\] # ] 1266) 1267[\040\t]* # Nab whitespace. 1268(?: 1269\( # ( 1270[^\\\x80-\xff\n\015()] * # normal* 1271(?: # ( 1272(?: \\ [^\x80-\xff] | 1273\( # ( 1274[^\\\x80-\xff\n\015()] * # normal* 1275(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1276\) # ) 1277) # special 1278[^\\\x80-\xff\n\015()] * # normal* 1279)* # )* 1280\) # ) 1281[\040\t]* )* # If comment found, allow more spaces. 1282# optional trailing comments 1283)* 1284# address 1285| # or 1286(?: 1287[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1288(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1289# Atom 1290| # or 1291" # " 1292[^\\\x80-\xff\n\015"] * # normal 1293(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1294" # " 1295# Quoted string 1296) 1297# leading word 1298[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces 1299(?: 1300(?: 1301\( # ( 1302[^\\\x80-\xff\n\015()] * # normal* 1303(?: # ( 1304(?: \\ [^\x80-\xff] | 1305\( # ( 1306[^\\\x80-\xff\n\015()] * # normal* 1307(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1308\) # ) 1309) # special 1310[^\\\x80-\xff\n\015()] * # normal* 1311)* # )* 1312\) # ) 1313| 1314" # " 1315[^\\\x80-\xff\n\015"] * # normal 1316(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1317" # " 1318) # "special" comment or quoted string 1319[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal" 1320)* 1321< 1322[\040\t]* # Nab whitespace. 1323(?: 1324\( # ( 1325[^\\\x80-\xff\n\015()] * # normal* 1326(?: # ( 1327(?: \\ [^\x80-\xff] | 1328\( # ( 1329[^\\\x80-\xff\n\015()] * # normal* 1330(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1331\) # ) 1332) # special 1333[^\\\x80-\xff\n\015()] * # normal* 1334)* # )* 1335\) # ) 1336[\040\t]* )* # If comment found, allow more spaces. 1337# < 1338(?: 1339@ 1340[\040\t]* # Nab whitespace. 1341(?: 1342\( # ( 1343[^\\\x80-\xff\n\015()] * # normal* 1344(?: # ( 1345(?: \\ [^\x80-\xff] | 1346\( # ( 1347[^\\\x80-\xff\n\015()] * # normal* 1348(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1349\) # ) 1350) # special 1351[^\\\x80-\xff\n\015()] * # normal* 1352)* # )* 1353\) # ) 1354[\040\t]* )* # If comment found, allow more spaces. 1355(?: 1356[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1357(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1358| 1359\[ # [ 1360(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1361\] # ] 1362) 1363[\040\t]* # Nab whitespace. 1364(?: 1365\( # ( 1366[^\\\x80-\xff\n\015()] * # normal* 1367(?: # ( 1368(?: \\ [^\x80-\xff] | 1369\( # ( 1370[^\\\x80-\xff\n\015()] * # normal* 1371(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1372\) # ) 1373) # special 1374[^\\\x80-\xff\n\015()] * # normal* 1375)* # )* 1376\) # ) 1377[\040\t]* )* # If comment found, allow more spaces. 1378# optional trailing comments 1379(?: 1380\. 1381[\040\t]* # Nab whitespace. 1382(?: 1383\( # ( 1384[^\\\x80-\xff\n\015()] * # normal* 1385(?: # ( 1386(?: \\ [^\x80-\xff] | 1387\( # ( 1388[^\\\x80-\xff\n\015()] * # normal* 1389(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1390\) # ) 1391) # special 1392[^\\\x80-\xff\n\015()] * # normal* 1393)* # )* 1394\) # ) 1395[\040\t]* )* # If comment found, allow more spaces. 1396(?: 1397[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1398(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1399| 1400\[ # [ 1401(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1402\] # ] 1403) 1404[\040\t]* # Nab whitespace. 1405(?: 1406\( # ( 1407[^\\\x80-\xff\n\015()] * # normal* 1408(?: # ( 1409(?: \\ [^\x80-\xff] | 1410\( # ( 1411[^\\\x80-\xff\n\015()] * # normal* 1412(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1413\) # ) 1414) # special 1415[^\\\x80-\xff\n\015()] * # normal* 1416)* # )* 1417\) # ) 1418[\040\t]* )* # If comment found, allow more spaces. 1419# optional trailing comments 1420)* 1421(?: , 1422[\040\t]* # Nab whitespace. 1423(?: 1424\( # ( 1425[^\\\x80-\xff\n\015()] * # normal* 1426(?: # ( 1427(?: \\ [^\x80-\xff] | 1428\( # ( 1429[^\\\x80-\xff\n\015()] * # normal* 1430(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1431\) # ) 1432) # special 1433[^\\\x80-\xff\n\015()] * # normal* 1434)* # )* 1435\) # ) 1436[\040\t]* )* # If comment found, allow more spaces. 1437@ 1438[\040\t]* # Nab whitespace. 1439(?: 1440\( # ( 1441[^\\\x80-\xff\n\015()] * # normal* 1442(?: # ( 1443(?: \\ [^\x80-\xff] | 1444\( # ( 1445[^\\\x80-\xff\n\015()] * # normal* 1446(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1447\) # ) 1448) # special 1449[^\\\x80-\xff\n\015()] * # normal* 1450)* # )* 1451\) # ) 1452[\040\t]* )* # If comment found, allow more spaces. 1453(?: 1454[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1455(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1456| 1457\[ # [ 1458(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1459\] # ] 1460) 1461[\040\t]* # Nab whitespace. 1462(?: 1463\( # ( 1464[^\\\x80-\xff\n\015()] * # normal* 1465(?: # ( 1466(?: \\ [^\x80-\xff] | 1467\( # ( 1468[^\\\x80-\xff\n\015()] * # normal* 1469(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1470\) # ) 1471) # special 1472[^\\\x80-\xff\n\015()] * # normal* 1473)* # )* 1474\) # ) 1475[\040\t]* )* # If comment found, allow more spaces. 1476# optional trailing comments 1477(?: 1478\. 1479[\040\t]* # Nab whitespace. 1480(?: 1481\( # ( 1482[^\\\x80-\xff\n\015()] * # normal* 1483(?: # ( 1484(?: \\ [^\x80-\xff] | 1485\( # ( 1486[^\\\x80-\xff\n\015()] * # normal* 1487(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1488\) # ) 1489) # special 1490[^\\\x80-\xff\n\015()] * # normal* 1491)* # )* 1492\) # ) 1493[\040\t]* )* # If comment found, allow more spaces. 1494(?: 1495[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1496(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1497| 1498\[ # [ 1499(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1500\] # ] 1501) 1502[\040\t]* # Nab whitespace. 1503(?: 1504\( # ( 1505[^\\\x80-\xff\n\015()] * # normal* 1506(?: # ( 1507(?: \\ [^\x80-\xff] | 1508\( # ( 1509[^\\\x80-\xff\n\015()] * # normal* 1510(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1511\) # ) 1512) # special 1513[^\\\x80-\xff\n\015()] * # normal* 1514)* # )* 1515\) # ) 1516[\040\t]* )* # If comment found, allow more spaces. 1517# optional trailing comments 1518)* 1519)* # additional domains 1520: 1521[\040\t]* # Nab whitespace. 1522(?: 1523\( # ( 1524[^\\\x80-\xff\n\015()] * # normal* 1525(?: # ( 1526(?: \\ [^\x80-\xff] | 1527\( # ( 1528[^\\\x80-\xff\n\015()] * # normal* 1529(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1530\) # ) 1531) # special 1532[^\\\x80-\xff\n\015()] * # normal* 1533)* # )* 1534\) # ) 1535[\040\t]* )* # If comment found, allow more spaces. 1536# optional trailing comments 1537)? # optional route 1538(?: 1539[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1540(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1541# Atom 1542| # or 1543" # " 1544[^\\\x80-\xff\n\015"] * # normal 1545(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1546" # " 1547# Quoted string 1548) 1549[\040\t]* # Nab whitespace. 1550(?: 1551\( # ( 1552[^\\\x80-\xff\n\015()] * # normal* 1553(?: # ( 1554(?: \\ [^\x80-\xff] | 1555\( # ( 1556[^\\\x80-\xff\n\015()] * # normal* 1557(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1558\) # ) 1559) # special 1560[^\\\x80-\xff\n\015()] * # normal* 1561)* # )* 1562\) # ) 1563[\040\t]* )* # If comment found, allow more spaces. 1564(?: 1565\. 1566[\040\t]* # Nab whitespace. 1567(?: 1568\( # ( 1569[^\\\x80-\xff\n\015()] * # normal* 1570(?: # ( 1571(?: \\ [^\x80-\xff] | 1572\( # ( 1573[^\\\x80-\xff\n\015()] * # normal* 1574(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1575\) # ) 1576) # special 1577[^\\\x80-\xff\n\015()] * # normal* 1578)* # )* 1579\) # ) 1580[\040\t]* )* # If comment found, allow more spaces. 1581(?: 1582[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1583(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1584# Atom 1585| # or 1586" # " 1587[^\\\x80-\xff\n\015"] * # normal 1588(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1589" # " 1590# Quoted string 1591) 1592[\040\t]* # Nab whitespace. 1593(?: 1594\( # ( 1595[^\\\x80-\xff\n\015()] * # normal* 1596(?: # ( 1597(?: \\ [^\x80-\xff] | 1598\( # ( 1599[^\\\x80-\xff\n\015()] * # normal* 1600(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1601\) # ) 1602) # special 1603[^\\\x80-\xff\n\015()] * # normal* 1604)* # )* 1605\) # ) 1606[\040\t]* )* # If comment found, allow more spaces. 1607# additional words 1608)* 1609@ 1610[\040\t]* # Nab whitespace. 1611(?: 1612\( # ( 1613[^\\\x80-\xff\n\015()] * # normal* 1614(?: # ( 1615(?: \\ [^\x80-\xff] | 1616\( # ( 1617[^\\\x80-\xff\n\015()] * # normal* 1618(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1619\) # ) 1620) # special 1621[^\\\x80-\xff\n\015()] * # normal* 1622)* # )* 1623\) # ) 1624[\040\t]* )* # If comment found, allow more spaces. 1625(?: 1626[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1627(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1628| 1629\[ # [ 1630(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1631\] # ] 1632) 1633[\040\t]* # Nab whitespace. 1634(?: 1635\( # ( 1636[^\\\x80-\xff\n\015()] * # normal* 1637(?: # ( 1638(?: \\ [^\x80-\xff] | 1639\( # ( 1640[^\\\x80-\xff\n\015()] * # normal* 1641(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1642\) # ) 1643) # special 1644[^\\\x80-\xff\n\015()] * # normal* 1645)* # )* 1646\) # ) 1647[\040\t]* )* # If comment found, allow more spaces. 1648# optional trailing comments 1649(?: 1650\. 1651[\040\t]* # Nab whitespace. 1652(?: 1653\( # ( 1654[^\\\x80-\xff\n\015()] * # normal* 1655(?: # ( 1656(?: \\ [^\x80-\xff] | 1657\( # ( 1658[^\\\x80-\xff\n\015()] * # normal* 1659(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1660\) # ) 1661) # special 1662[^\\\x80-\xff\n\015()] * # normal* 1663)* # )* 1664\) # ) 1665[\040\t]* )* # If comment found, allow more spaces. 1666(?: 1667[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1668(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1669| 1670\[ # [ 1671(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1672\] # ] 1673) 1674[\040\t]* # Nab whitespace. 1675(?: 1676\( # ( 1677[^\\\x80-\xff\n\015()] * # normal* 1678(?: # ( 1679(?: \\ [^\x80-\xff] | 1680\( # ( 1681[^\\\x80-\xff\n\015()] * # normal* 1682(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1683\) # ) 1684) # special 1685[^\\\x80-\xff\n\015()] * # normal* 1686)* # )* 1687\) # ) 1688[\040\t]* )* # If comment found, allow more spaces. 1689# optional trailing comments 1690)* 1691# address spec 1692> # > 1693# name and address 1694) 1695/x 1696 Alan Other <user\@dom.ain> 1697 0: Alan Other <user@dom.ain> 1698 <user\@dom.ain> 1699 0: user@dom.ain 1700 user\@dom.ain 1701 0: user@dom.ain 1702 \"A. Other\" <user.1234\@dom.ain> (a comment) 1703 0: "A. Other" <user.1234@dom.ain> 1704 A. Other <user.1234\@dom.ain> (a comment) 1705 0: Other <user.1234@dom.ain> 1706 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 1707 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 1708 A missing angle <user\@some.where 1709 0: user@some.where 1710\= Expect no match 1711 The quick brown fox 1712No match 1713 1714/abc\0def\00pqr\000xyz\0000AB/ 1715 abc\0def\00pqr\000xyz\0000AB 1716 0: abc\x00def\x00pqr\x00xyz\x000AB 1717 abc456 abc\0def\00pqr\000xyz\0000ABCDE 1718 0: abc\x00def\x00pqr\x00xyz\x000AB 1719 1720/abc\x0def\x00pqr\x000xyz\x0000AB/ 1721 abc\x0def\x00pqr\x000xyz\x0000AB 1722 0: abc\x0def\x00pqr\x000xyz\x0000AB 1723 abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE 1724 0: abc\x0def\x00pqr\x000xyz\x0000AB 1725 1726/^[\000-\037]/ 1727 \0A 1728 0: \x00 1729 \01B 1730 0: \x01 1731 \037C 1732 0: \x1f 1733 1734/\0*/ 1735 \0\0\0\0 1736 0: \x00\x00\x00\x00 1737 1738/A\x0{2,3}Z/ 1739 The A\x0\x0Z 1740 0: A\x00\x00Z 1741 An A\0\x0\0Z 1742 0: A\x00\x00\x00Z 1743\= Expect no match 1744 A\0Z 1745No match 1746 A\0\x0\0\x0Z 1747No match 1748 1749/^(cow|)\1(bell)/ 1750 cowcowbell 1751 0: cowcowbell 1752 1: cow 1753 2: bell 1754 bell 1755 0: bell 1756 1: 1757 2: bell 1758\= Expect no match 1759 cowbell 1760No match 1761 1762/^\s/ 1763 \040abc 1764 0: 1765 \x0cabc 1766 0: \x0c 1767 \nabc 1768 0: \x0a 1769 \rabc 1770 0: \x0d 1771 \tabc 1772 0: \x09 1773\= Expect no match 1774 abc 1775No match 1776 1777/^a b 1778 c/x 1779 abc 1780 0: abc 1781 1782/^(a|)\1*b/ 1783 ab 1784 0: ab 1785 1: a 1786 aaaab 1787 0: aaaab 1788 1: a 1789 b 1790 0: b 1791 1: 1792\= Expect no match 1793 acb 1794No match 1795 1796/^(a|)\1+b/ 1797 aab 1798 0: aab 1799 1: a 1800 aaaab 1801 0: aaaab 1802 1: a 1803 b 1804 0: b 1805 1: 1806\= Expect no match 1807 ab 1808No match 1809 1810/^(a|)\1?b/ 1811 ab 1812 0: ab 1813 1: a 1814 aab 1815 0: aab 1816 1: a 1817 b 1818 0: b 1819 1: 1820\= Expect no match 1821 acb 1822No match 1823 1824/^(a|)\1{2}b/ 1825 aaab 1826 0: aaab 1827 1: a 1828 b 1829 0: b 1830 1: 1831\= Expect no match 1832 ab 1833No match 1834 aab 1835No match 1836 aaaab 1837No match 1838 1839/^(a|)\1{2,3}b/ 1840 aaab 1841 0: aaab 1842 1: a 1843 aaaab 1844 0: aaaab 1845 1: a 1846 b 1847 0: b 1848 1: 1849\= Expect no match 1850 ab 1851No match 1852 aab 1853No match 1854 aaaaab 1855No match 1856 1857/ab{1,3}bc/ 1858 abbbbc 1859 0: abbbbc 1860 abbbc 1861 0: abbbc 1862 abbc 1863 0: abbc 1864\= Expect no match 1865 abc 1866No match 1867 abbbbbc 1868No match 1869 1870/([^.]*)\.([^:]*):[T ]+(.*)/ 1871 track1.title:TBlah blah blah 1872 0: track1.title:TBlah blah blah 1873 1: track1 1874 2: title 1875 3: Blah blah blah 1876 1877/([^.]*)\.([^:]*):[T ]+(.*)/i 1878 track1.title:TBlah blah blah 1879 0: track1.title:TBlah blah blah 1880 1: track1 1881 2: title 1882 3: Blah blah blah 1883 1884/([^.]*)\.([^:]*):[t ]+(.*)/i 1885 track1.title:TBlah blah blah 1886 0: track1.title:TBlah blah blah 1887 1: track1 1888 2: title 1889 3: Blah blah blah 1890 1891/^[W-c]+$/ 1892 WXY_^abc 1893 0: WXY_^abc 1894\= Expect no match 1895 wxy 1896No match 1897 1898/^[W-c]+$/i 1899 WXY_^abc 1900 0: WXY_^abc 1901 wxy_^ABC 1902 0: wxy_^ABC 1903 1904/^[\x3f-\x5F]+$/i 1905 WXY_^abc 1906 0: WXY_^abc 1907 wxy_^ABC 1908 0: wxy_^ABC 1909 1910/^abc$/m 1911 abc 1912 0: abc 1913 qqq\nabc 1914 0: abc 1915 abc\nzzz 1916 0: abc 1917 qqq\nabc\nzzz 1918 0: abc 1919 1920/^abc$/ 1921 abc 1922 0: abc 1923\= Expect no match 1924 qqq\nabc 1925No match 1926 abc\nzzz 1927No match 1928 qqq\nabc\nzzz 1929No match 1930 1931/\Aabc\Z/m 1932 abc 1933 0: abc 1934 abc\n 1935 0: abc 1936\= Expect no match 1937 qqq\nabc 1938No match 1939 abc\nzzz 1940No match 1941 qqq\nabc\nzzz 1942No match 1943 1944/\A(.)*\Z/s 1945 abc\ndef 1946 0: abc\x0adef 1947 1: f 1948 1949/\A(.)*\Z/m 1950\= Expect no match 1951 abc\ndef 1952No match 1953 1954/(?:b)|(?::+)/ 1955 b::c 1956 0: b 1957 c::b 1958 0: :: 1959 1960/[-az]+/ 1961 az- 1962 0: az- 1963\= Expect no match 1964 b 1965No match 1966 1967/[az-]+/ 1968 za- 1969 0: za- 1970\= Expect no match 1971 b 1972No match 1973 1974/[a\-z]+/ 1975 a-z 1976 0: a-z 1977\= Expect no match 1978 b 1979No match 1980 1981/[a-z]+/ 1982 abcdxyz 1983 0: abcdxyz 1984 1985/[\d-]+/ 1986 12-34 1987 0: 12-34 1988\= Expect no match 1989 aaa 1990No match 1991 1992/\x5c/ 1993 \\ 1994 0: \ 1995 1996/\x20Z/ 1997 the Zoo 1998 0: Z 1999\= Expect no match 2000 Zulu 2001No match 2002 2003/(abc)\1/i 2004 abcabc 2005 0: abcabc 2006 1: abc 2007 ABCabc 2008 0: ABCabc 2009 1: ABC 2010 abcABC 2011 0: abcABC 2012 1: abc 2013 2014/abc$/ 2015 abc 2016 0: abc 2017 abc\n 2018 0: abc 2019\= Expect no match 2020 abc\ndef 2021No match 2022 2023/(abc)\123/ 2024 abc\x53 2025 0: abcS 2026 1: abc 2027 2028/(abc)\223/ 2029 abc\x93 2030 0: abc\x93 2031 1: abc 2032 2033/(abc)\323/ 2034 abc\xd3 2035 0: abc\xd3 2036 1: abc 2037 2038/(abc)\100/ 2039 abc\x40 2040 0: abc@ 2041 1: abc 2042 abc\100 2043 0: abc@ 2044 1: abc 2045 2046/(abc)\1000/ 2047 abc\x400 2048 0: abc@0 2049 1: abc 2050 abc\x40\x30 2051 0: abc@0 2052 1: abc 2053 abc\1000 2054 0: abc@0 2055 1: abc 2056 abc\100\x30 2057 0: abc@0 2058 1: abc 2059 abc\100\060 2060 0: abc@0 2061 1: abc 2062 abc\100\60 2063 0: abc@0 2064 1: abc 2065 2066/^(A)(B)(C)(D)(E)(F)(G)(H)(I)\8\9$/ 2067 ABCDEFGHIHI 2068 0: ABCDEFGHIHI 2069 1: A 2070 2: B 2071 3: C 2072 4: D 2073 5: E 2074 6: F 2075 7: G 2076 8: H 2077 9: I 2078 2079/^[A\8B\9C]+$/ 2080 A8B9C 2081 0: A8B9C 2082\= Expect no match 2083 A8B9C\x00 2084No match 2085 2086/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/ 2087 abcdefghijkllS 2088 0: abcdefghijkllS 2089 1: a 2090 2: b 2091 3: c 2092 4: d 2093 5: e 2094 6: f 2095 7: g 2096 8: h 2097 9: i 209810: j 209911: k 210012: l 2101 2102/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/ 2103 abcdefghijk\12S 2104 0: abcdefghijk\x0aS 2105 1: a 2106 2: b 2107 3: c 2108 4: d 2109 5: e 2110 6: f 2111 7: g 2112 8: h 2113 9: i 211410: j 211511: k 2116 2117/a{0}bc/ 2118 bc 2119 0: bc 2120 2121/(a|(bc)){0,0}?xyz/ 2122 xyz 2123 0: xyz 2124 2125/abc[\10]de/ 2126 abc\010de 2127 0: abc\x08de 2128 2129/abc[\1]de/ 2130 abc\1de 2131 0: abc\x01de 2132 2133/(abc)[\1]de/ 2134 abc\1de 2135 0: abc\x01de 2136 1: abc 2137 2138/(?s)a.b/ 2139 a\nb 2140 0: a\x0ab 2141 2142/^([^a])([^\b])([^c]*)([^d]{3,4})/ 2143 baNOTccccd 2144 0: baNOTcccc 2145 1: b 2146 2: a 2147 3: NOT 2148 4: cccc 2149 baNOTcccd 2150 0: baNOTccc 2151 1: b 2152 2: a 2153 3: NOT 2154 4: ccc 2155 baNOTccd 2156 0: baNOTcc 2157 1: b 2158 2: a 2159 3: NO 2160 4: Tcc 2161 bacccd 2162 0: baccc 2163 1: b 2164 2: a 2165 3: 2166 4: ccc 2167\= Expect no match 2168 anything 2169No match 2170 b\bc 2171No match 2172 baccd 2173No match 2174 2175/[^a]/ 2176 Abc 2177 0: A 2178 2179/[^a]/i 2180 Abc 2181 0: b 2182 2183/[^a]+/ 2184 AAAaAbc 2185 0: AAA 2186 2187/[^a]+/i 2188 AAAaAbc 2189 0: bc 2190 2191/[^a]+/ 2192 bbb\nccc 2193 0: bbb\x0accc 2194 2195/[^k]$/ 2196 abc 2197 0: c 2198\= Expect no match 2199 abk 2200No match 2201 2202/[^k]{2,3}$/ 2203 abc 2204 0: abc 2205 kbc 2206 0: bc 2207 kabc 2208 0: abc 2209\= Expect no match 2210 abk 2211No match 2212 akb 2213No match 2214 akk 2215No match 2216 2217/^\d{8,}\@.+[^k]$/ 2218 12345678\@a.b.c.d 2219 0: 12345678@a.b.c.d 2220 123456789\@x.y.z 2221 0: 123456789@x.y.z 2222\= Expect no match 2223 12345678\@x.y.uk 2224No match 2225 1234567\@a.b.c.d 2226No match 2227 2228/(a)\1{8,}/ 2229 aaaaaaaaa 2230 0: aaaaaaaaa 2231 1: a 2232 aaaaaaaaaa 2233 0: aaaaaaaaaa 2234 1: a 2235\= Expect no match 2236 aaaaaaa 2237No match 2238 2239/[^a]/ 2240 aaaabcd 2241 0: b 2242 aaAabcd 2243 0: A 2244 2245/[^a]/i 2246 aaaabcd 2247 0: b 2248 aaAabcd 2249 0: b 2250 2251/[^az]/ 2252 aaaabcd 2253 0: b 2254 aaAabcd 2255 0: A 2256 2257/[^az]/i 2258 aaaabcd 2259 0: b 2260 aaAabcd 2261 0: b 2262 2263/\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/ 2264 \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377 2265 0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff 2266 2267/P[^*]TAIRE[^*]{1,6}?LL/ 2268 xxxxxxxxxxxPSTAIREISLLxxxxxxxxx 2269 0: PSTAIREISLL 2270 2271/P[^*]TAIRE[^*]{1,}?LL/ 2272 xxxxxxxxxxxPSTAIREISLLxxxxxxxxx 2273 0: PSTAIREISLL 2274 2275/(\.\d\d[1-9]?)\d+/ 2276 1.230003938 2277 0: .230003938 2278 1: .23 2279 1.875000282 2280 0: .875000282 2281 1: .875 2282 1.235 2283 0: .235 2284 1: .23 2285 2286/(\.\d\d((?=0)|\d(?=\d)))/ 2287 1.230003938 2288 0: .23 2289 1: .23 2290 2: 2291 1.875000282 2292 0: .875 2293 1: .875 2294 2: 5 2295\= Expect no match 2296 1.235 2297No match 2298 2299/a(?)b/ 2300 ab 2301 0: ab 2302 2303/\b(foo)\s+(\w+)/i 2304 Food is on the foo table 2305 0: foo table 2306 1: foo 2307 2: table 2308 2309/foo(.*)bar/ 2310 The food is under the bar in the barn. 2311 0: food is under the bar in the bar 2312 1: d is under the bar in the 2313 2314/foo(.*?)bar/ 2315 The food is under the bar in the barn. 2316 0: food is under the bar 2317 1: d is under the 2318 2319/(.*)(\d*)/ 2320 I have 2 numbers: 53147 2321 0: I have 2 numbers: 53147 2322 1: I have 2 numbers: 53147 2323 2: 2324 2325/(.*)(\d+)/ 2326 I have 2 numbers: 53147 2327 0: I have 2 numbers: 53147 2328 1: I have 2 numbers: 5314 2329 2: 7 2330 2331/(.*?)(\d*)/ 2332 I have 2 numbers: 53147 2333 0: 2334 1: 2335 2: 2336 2337/(.*?)(\d+)/ 2338 I have 2 numbers: 53147 2339 0: I have 2 2340 1: I have 2341 2: 2 2342 2343/(.*)(\d+)$/ 2344 I have 2 numbers: 53147 2345 0: I have 2 numbers: 53147 2346 1: I have 2 numbers: 5314 2347 2: 7 2348 2349/(.*?)(\d+)$/ 2350 I have 2 numbers: 53147 2351 0: I have 2 numbers: 53147 2352 1: I have 2 numbers: 2353 2: 53147 2354 2355/(.*)\b(\d+)$/ 2356 I have 2 numbers: 53147 2357 0: I have 2 numbers: 53147 2358 1: I have 2 numbers: 2359 2: 53147 2360 2361/(.*\D)(\d+)$/ 2362 I have 2 numbers: 53147 2363 0: I have 2 numbers: 53147 2364 1: I have 2 numbers: 2365 2: 53147 2366 2367/^\D*(?!123)/ 2368 ABC123 2369 0: AB 2370 2371/^(\D*)(?=\d)(?!123)/ 2372 ABC445 2373 0: ABC 2374 1: ABC 2375\= Expect no match 2376 ABC123 2377No match 2378 2379/^[W-]46]/ 2380 W46]789 2381 0: W46] 2382 -46]789 2383 0: -46] 2384\= Expect no match 2385 Wall 2386No match 2387 Zebra 2388No match 2389 42 2390No match 2391 [abcd] 2392No match 2393 ]abcd[ 2394No match 2395 2396/^[W-\]46]/ 2397 W46]789 2398 0: W 2399 Wall 2400 0: W 2401 Zebra 2402 0: Z 2403 Xylophone 2404 0: X 2405 42 2406 0: 4 2407 [abcd] 2408 0: [ 2409 ]abcd[ 2410 0: ] 2411 \\backslash 2412 0: \ 2413\= Expect no match 2414 -46]789 2415No match 2416 well 2417No match 2418 2419/\d\d\/\d\d\/\d\d\d\d/ 2420 01/01/2000 2421 0: 01/01/2000 2422 2423/word (?:[a-zA-Z0-9]+ ){0,10}otherword/ 2424 word cat dog elephant mussel cow horse canary baboon snake shark otherword 2425 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword 2426\= Expect no match 2427 word cat dog elephant mussel cow horse canary baboon snake shark 2428No match 2429 2430/word (?:[a-zA-Z0-9]+ ){0,300}otherword/ 2431\= Expect no match 2432 word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope 2433No match 2434 2435/^(a){0,0}/ 2436 bcd 2437 0: 2438 abc 2439 0: 2440 aab 2441 0: 2442 2443/^(a){0,1}/ 2444 bcd 2445 0: 2446 abc 2447 0: a 2448 1: a 2449 aab 2450 0: a 2451 1: a 2452 2453/^(a){0,2}/ 2454 bcd 2455 0: 2456 abc 2457 0: a 2458 1: a 2459 aab 2460 0: aa 2461 1: a 2462 2463/^(a){0,3}/ 2464 bcd 2465 0: 2466 abc 2467 0: a 2468 1: a 2469 aab 2470 0: aa 2471 1: a 2472 aaa 2473 0: aaa 2474 1: a 2475 2476/^(a){0,}/ 2477 bcd 2478 0: 2479 abc 2480 0: a 2481 1: a 2482 aab 2483 0: aa 2484 1: a 2485 aaa 2486 0: aaa 2487 1: a 2488 aaaaaaaa 2489 0: aaaaaaaa 2490 1: a 2491 2492/^(a){1,1}/ 2493 abc 2494 0: a 2495 1: a 2496 aab 2497 0: a 2498 1: a 2499\= Expect no match 2500 bcd 2501No match 2502 2503/^(a){1,2}/ 2504 abc 2505 0: a 2506 1: a 2507 aab 2508 0: aa 2509 1: a 2510\= Expect no match 2511 bcd 2512No match 2513 2514/^(a){1,3}/ 2515 abc 2516 0: a 2517 1: a 2518 aab 2519 0: aa 2520 1: a 2521 aaa 2522 0: aaa 2523 1: a 2524\= Expect no match 2525 bcd 2526No match 2527 2528/^(a){1,}/ 2529 abc 2530 0: a 2531 1: a 2532 aab 2533 0: aa 2534 1: a 2535 aaa 2536 0: aaa 2537 1: a 2538 aaaaaaaa 2539 0: aaaaaaaa 2540 1: a 2541\= Expect no match 2542 bcd 2543No match 2544 2545/.*\.gif/ 2546 borfle\nbib.gif\nno 2547 0: bib.gif 2548 2549/.{0,}\.gif/ 2550 borfle\nbib.gif\nno 2551 0: bib.gif 2552 2553/.*\.gif/m 2554 borfle\nbib.gif\nno 2555 0: bib.gif 2556 2557/.*\.gif/s 2558 borfle\nbib.gif\nno 2559 0: borfle\x0abib.gif 2560 2561/.*\.gif/ms 2562 borfle\nbib.gif\nno 2563 0: borfle\x0abib.gif 2564 2565/.*$/ 2566 borfle\nbib.gif\nno 2567 0: no 2568 2569/.*$/m 2570 borfle\nbib.gif\nno 2571 0: borfle 2572 2573/.*$/s 2574 borfle\nbib.gif\nno 2575 0: borfle\x0abib.gif\x0ano 2576 2577/.*$/ms 2578 borfle\nbib.gif\nno 2579 0: borfle\x0abib.gif\x0ano 2580 2581/.*$/ 2582 borfle\nbib.gif\nno\n 2583 0: no 2584 2585/.*$/m 2586 borfle\nbib.gif\nno\n 2587 0: borfle 2588 2589/.*$/s 2590 borfle\nbib.gif\nno\n 2591 0: borfle\x0abib.gif\x0ano\x0a 2592 2593/.*$/ms 2594 borfle\nbib.gif\nno\n 2595 0: borfle\x0abib.gif\x0ano\x0a 2596 2597/(.*X|^B)/ 2598 abcde\n1234Xyz 2599 0: 1234X 2600 1: 1234X 2601 BarFoo 2602 0: B 2603 1: B 2604\= Expect no match 2605 abcde\nBar 2606No match 2607 2608/(.*X|^B)/m 2609 abcde\n1234Xyz 2610 0: 1234X 2611 1: 1234X 2612 BarFoo 2613 0: B 2614 1: B 2615 abcde\nBar 2616 0: B 2617 1: B 2618 2619/(.*X|^B)/s 2620 abcde\n1234Xyz 2621 0: abcde\x0a1234X 2622 1: abcde\x0a1234X 2623 BarFoo 2624 0: B 2625 1: B 2626\= Expect no match 2627 abcde\nBar 2628No match 2629 2630/(.*X|^B)/ms 2631 abcde\n1234Xyz 2632 0: abcde\x0a1234X 2633 1: abcde\x0a1234X 2634 BarFoo 2635 0: B 2636 1: B 2637 abcde\nBar 2638 0: B 2639 1: B 2640 2641/(?s)(.*X|^B)/ 2642 abcde\n1234Xyz 2643 0: abcde\x0a1234X 2644 1: abcde\x0a1234X 2645 BarFoo 2646 0: B 2647 1: B 2648\= Expect no match 2649 abcde\nBar 2650No match 2651 2652/(?s:.*X|^B)/ 2653 abcde\n1234Xyz 2654 0: abcde\x0a1234X 2655 BarFoo 2656 0: B 2657\= Expect no match 2658 abcde\nBar 2659No match 2660 2661/^.*B/ 2662\= Expect no match 2663 abc\nB 2664No match 2665 2666/(?s)^.*B/ 2667 abc\nB 2668 0: abc\x0aB 2669 2670/(?m)^.*B/ 2671 abc\nB 2672 0: B 2673 2674/(?ms)^.*B/ 2675 abc\nB 2676 0: abc\x0aB 2677 2678/(?ms)^B/ 2679 abc\nB 2680 0: B 2681 2682/(?s)B$/ 2683 B\n 2684 0: B 2685 2686/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/ 2687 123456654321 2688 0: 123456654321 2689 2690/^\d\d\d\d\d\d\d\d\d\d\d\d/ 2691 123456654321 2692 0: 123456654321 2693 2694/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/ 2695 123456654321 2696 0: 123456654321 2697 2698/^[abc]{12}/ 2699 abcabcabcabc 2700 0: abcabcabcabc 2701 2702/^[a-c]{12}/ 2703 abcabcabcabc 2704 0: abcabcabcabc 2705 2706/^(a|b|c){12}/ 2707 abcabcabcabc 2708 0: abcabcabcabc 2709 1: c 2710 2711/^[abcdefghijklmnopqrstuvwxy0123456789]/ 2712 n 2713 0: n 2714\= Expect no match 2715 z 2716No match 2717 2718/abcde{0,0}/ 2719 abcd 2720 0: abcd 2721\= Expect no match 2722 abce 2723No match 2724 2725/ab[cd]{0,0}e/ 2726 abe 2727 0: abe 2728\= Expect no match 2729 abcde 2730No match 2731 2732/ab(c){0,0}d/ 2733 abd 2734 0: abd 2735\= Expect no match 2736 abcd 2737No match 2738 2739/a(b*)/ 2740 a 2741 0: a 2742 1: 2743 ab 2744 0: ab 2745 1: b 2746 abbbb 2747 0: abbbb 2748 1: bbbb 2749\= Expect no match 2750 bbbbb 2751No match 2752 2753/ab\d{0}e/ 2754 abe 2755 0: abe 2756\= Expect no match 2757 ab1e 2758No match 2759 2760/"([^\\"]+|\\.)*"/ 2761 the \"quick\" brown fox 2762 0: "quick" 2763 1: quick 2764 \"the \\\"quick\\\" brown fox\" 2765 0: "the \"quick\" brown fox" 2766 1: brown fox 2767 2768/.*?/g,aftertext 2769 abc 2770 0: 2771 0+ abc 2772 0: a 2773 0+ bc 2774 0: 2775 0+ bc 2776 0: b 2777 0+ c 2778 0: 2779 0+ c 2780 0: c 2781 0+ 2782 0: 2783 0+ 2784 2785/\b/g,aftertext 2786 abc 2787 0: 2788 0+ abc 2789 0: 2790 0+ 2791 2792/\b/g,aftertext 2793 abc 2794 0: 2795 0+ abc 2796 0: 2797 0+ 2798 2799//g 2800 abc 2801 0: 2802 0: 2803 0: 2804 0: 2805 2806/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is 2807 <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR> 2808 0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR> 2809 1: BGCOLOR='#DBE9E9' 2810 2: align=left valign=top 2811 3: 43. 2812 4: <a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286) 2813 5: 2814 6: 2815 7: <unset> 2816 8: align=left valign=top 2817 9: Lega lstaff.com 281810: align=left valign=top 281911: CA - Statewide 2820 2821/a[^a]b/ 2822 acb 2823 0: acb 2824 a\nb 2825 0: a\x0ab 2826 2827/a.b/ 2828 acb 2829 0: acb 2830\= Expect no match 2831 a\nb 2832No match 2833 2834/a[^a]b/s 2835 acb 2836 0: acb 2837 a\nb 2838 0: a\x0ab 2839 2840/a.b/s 2841 acb 2842 0: acb 2843 a\nb 2844 0: a\x0ab 2845 2846/^(b+?|a){1,2}?c/ 2847 bac 2848 0: bac 2849 1: a 2850 bbac 2851 0: bbac 2852 1: a 2853 bbbac 2854 0: bbbac 2855 1: a 2856 bbbbac 2857 0: bbbbac 2858 1: a 2859 bbbbbac 2860 0: bbbbbac 2861 1: a 2862 2863/^(b+|a){1,2}?c/ 2864 bac 2865 0: bac 2866 1: a 2867 bbac 2868 0: bbac 2869 1: a 2870 bbbac 2871 0: bbbac 2872 1: a 2873 bbbbac 2874 0: bbbbac 2875 1: a 2876 bbbbbac 2877 0: bbbbbac 2878 1: a 2879 2880/(?!\A)x/m 2881 a\bx\n 2882 0: x 2883 a\nx\n 2884 0: x 2885\= Expect no match 2886 x\nb\n 2887No match 2888 2889/(A|B)*?CD/ 2890 CD 2891 0: CD 2892 2893/(A|B)*CD/ 2894 CD 2895 0: CD 2896 2897/(AB)*?\1/ 2898 ABABAB 2899 0: ABAB 2900 1: AB 2901 2902/(AB)*\1/ 2903 ABABAB 2904 0: ABABAB 2905 1: AB 2906 2907/(?<!bar)foo/ 2908 foo 2909 0: foo 2910 catfood 2911 0: foo 2912 arfootle 2913 0: foo 2914 rfoosh 2915 0: foo 2916\= Expect no match 2917 barfoo 2918No match 2919 towbarfoo 2920No match 2921 2922/\w{3}(?<!bar)foo/ 2923 catfood 2924 0: catfoo 2925\= Expect no match 2926 foo 2927No match 2928 barfoo 2929No match 2930 towbarfoo 2931No match 2932 2933/(?<=(foo)a)bar/ 2934 fooabar 2935 0: bar 2936 1: foo 2937\= Expect no match 2938 bar 2939No match 2940 foobbar 2941No match 2942 2943/\Aabc\z/m 2944 abc 2945 0: abc 2946\= Expect no match 2947 abc\n 2948No match 2949 qqq\nabc 2950No match 2951 abc\nzzz 2952No match 2953 qqq\nabc\nzzz 2954No match 2955 2956/(?>.*\/)foo/ 2957 /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo 2958 0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo 2959\= Expect no match 2960 /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/ 2961No match 2962 2963/(?>(\.\d\d[1-9]?))\d+/ 2964 1.230003938 2965 0: .230003938 2966 1: .23 2967 1.875000282 2968 0: .875000282 2969 1: .875 2970\= Expect no match 2971 1.235 2972No match 2973 2974/^((?>\w+)|(?>\s+))*$/ 2975 now is the time for all good men to come to the aid of the party 2976 0: now is the time for all good men to come to the aid of the party 2977 1: party 2978\= Expect no match 2979 this is not a line with only words and spaces! 2980No match 2981 2982/(\d+)(\w)/ 2983 12345a 2984 0: 12345a 2985 1: 12345 2986 2: a 2987 12345+ 2988 0: 12345 2989 1: 1234 2990 2: 5 2991 2992/((?>\d+))(\w)/ 2993 12345a 2994 0: 12345a 2995 1: 12345 2996 2: a 2997\= Expect no match 2998 12345+ 2999No match 3000 3001/(?>a+)b/ 3002 aaab 3003 0: aaab 3004 3005/((?>a+)b)/ 3006 aaab 3007 0: aaab 3008 1: aaab 3009 3010/(?>(a+))b/ 3011 aaab 3012 0: aaab 3013 1: aaa 3014 3015/(?>b)+/ 3016 aaabbbccc 3017 0: bbb 3018 3019/(?>a+|b+|c+)*c/ 3020 aaabbbbccccd 3021 0: aaabbbbc 3022 3023/((?>[^()]+)|\([^()]*\))+/ 3024 ((abc(ade)ufh()()x 3025 0: abc(ade)ufh()()x 3026 1: x 3027 3028/\(((?>[^()]+)|\([^()]+\))+\)/ 3029 (abc) 3030 0: (abc) 3031 1: abc 3032 (abc(def)xyz) 3033 0: (abc(def)xyz) 3034 1: xyz 3035\= Expect no match 3036 ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 3037No match 3038 3039/a(?-i)b/i 3040 ab 3041 0: ab 3042 Ab 3043 0: Ab 3044\= Expect no match 3045 aB 3046No match 3047 AB 3048No match 3049 3050/(a (?x)b c)d e/ 3051 a bcd e 3052 0: a bcd e 3053 1: a bc 3054\= Expect no match 3055 a b cd e 3056No match 3057 abcd e 3058No match 3059 a bcde 3060No match 3061 3062/(a b(?x)c d (?-x)e f)/ 3063 a bcde f 3064 0: a bcde f 3065 1: a bcde f 3066\= Expect no match 3067 abcdef 3068No match 3069 3070/(a(?i)b)c/ 3071 abc 3072 0: abc 3073 1: ab 3074 aBc 3075 0: aBc 3076 1: aB 3077\= Expect no match 3078 abC 3079No match 3080 aBC 3081No match 3082 Abc 3083No match 3084 ABc 3085No match 3086 ABC 3087No match 3088 AbC 3089No match 3090 3091/a(?i:b)c/ 3092 abc 3093 0: abc 3094 aBc 3095 0: aBc 3096\= Expect no match 3097 ABC 3098No match 3099 abC 3100No match 3101 aBC 3102No match 3103 3104/a(?i:b)*c/ 3105 aBc 3106 0: aBc 3107 aBBc 3108 0: aBBc 3109\= Expect no match 3110 aBC 3111No match 3112 aBBC 3113No match 3114 3115/a(?=b(?i)c)\w\wd/ 3116 abcd 3117 0: abcd 3118 abCd 3119 0: abCd 3120\= Expect no match 3121 aBCd 3122No match 3123 abcD 3124No match 3125 3126/(?s-i:more.*than).*million/i 3127 more than million 3128 0: more than million 3129 more than MILLION 3130 0: more than MILLION 3131 more \n than Million 3132 0: more \x0a than Million 3133\= Expect no match 3134 MORE THAN MILLION 3135No match 3136 more \n than \n million 3137No match 3138 3139/(?:(?s-i)more.*than).*million/i 3140 more than million 3141 0: more than million 3142 more than MILLION 3143 0: more than MILLION 3144 more \n than Million 3145 0: more \x0a than Million 3146\= Expect no match 3147 MORE THAN MILLION 3148No match 3149 more \n than \n million 3150No match 3151 3152/(?>a(?i)b+)+c/ 3153 abc 3154 0: abc 3155 aBbc 3156 0: aBbc 3157 aBBc 3158 0: aBBc 3159\= Expect no match 3160 Abc 3161No match 3162 abAb 3163No match 3164 abbC 3165No match 3166 3167/(?=a(?i)b)\w\wc/ 3168 abc 3169 0: abc 3170 aBc 3171 0: aBc 3172\= Expect no match 3173 Ab 3174No match 3175 abC 3176No match 3177 aBC 3178No match 3179 3180/(?<=a(?i)b)(\w\w)c/ 3181 abxxc 3182 0: xxc 3183 1: xx 3184 aBxxc 3185 0: xxc 3186 1: xx 3187\= Expect no match 3188 Abxxc 3189No match 3190 ABxxc 3191No match 3192 abxxC 3193No match 3194 3195/(?:(a)|b)(?(1)A|B)/ 3196 aA 3197 0: aA 3198 1: a 3199 bB 3200 0: bB 3201\= Expect no match 3202 aB 3203No match 3204 bA 3205No match 3206 3207/^(a)?(?(1)a|b)+$/ 3208 aa 3209 0: aa 3210 1: a 3211 b 3212 0: b 3213 bb 3214 0: bb 3215\= Expect no match 3216 ab 3217No match 3218 3219# Perl gets this next one wrong if the pattern ends with $; in that case it 3220# fails to match "12". 3221 3222/^(?(?=abc)\w{3}:|\d\d)/ 3223 abc: 3224 0: abc: 3225 12 3226 0: 12 3227 123 3228 0: 12 3229\= Expect no match 3230 xyz 3231No match 3232 3233/^(?(?!abc)\d\d|\w{3}:)$/ 3234 abc: 3235 0: abc: 3236 12 3237 0: 12 3238\= Expect no match 3239 123 3240No match 3241 xyz 3242No match 3243 3244/(?(?<=foo)bar|cat)/ 3245 foobar 3246 0: bar 3247 cat 3248 0: cat 3249 fcat 3250 0: cat 3251 focat 3252 0: cat 3253\= Expect no match 3254 foocat 3255No match 3256 3257/(?(?<!foo)cat|bar)/ 3258 foobar 3259 0: bar 3260 cat 3261 0: cat 3262 fcat 3263 0: cat 3264 focat 3265 0: cat 3266\= Expect no match 3267 foocat 3268No match 3269 3270/( \( )? [^()]+ (?(1) \) |) /x 3271 abcd 3272 0: abcd 3273 (abcd) 3274 0: (abcd) 3275 1: ( 3276 the quick (abcd) fox 3277 0: the quick 3278 (abcd 3279 0: abcd 3280 3281/( \( )? [^()]+ (?(1) \) ) /x 3282 abcd 3283 0: abcd 3284 (abcd) 3285 0: (abcd) 3286 1: ( 3287 the quick (abcd) fox 3288 0: the quick 3289 (abcd 3290 0: abcd 3291 3292/^(?(2)a|(1)(2))+$/ 3293 12 3294 0: 12 3295 1: 1 3296 2: 2 3297 12a 3298 0: 12a 3299 1: 1 3300 2: 2 3301 12aa 3302 0: 12aa 3303 1: 1 3304 2: 2 3305\= Expect no match 3306 1234 3307No match 3308 3309/((?i)blah)\s+\1/ 3310 blah blah 3311 0: blah blah 3312 1: blah 3313 BLAH BLAH 3314 0: BLAH BLAH 3315 1: BLAH 3316 Blah Blah 3317 0: Blah Blah 3318 1: Blah 3319 blaH blaH 3320 0: blaH blaH 3321 1: blaH 3322\= Expect no match 3323 blah BLAH 3324No match 3325 Blah blah 3326No match 3327 blaH blah 3328No match 3329 3330/((?i)blah)\s+(?i:\1)/ 3331 blah blah 3332 0: blah blah 3333 1: blah 3334 BLAH BLAH 3335 0: BLAH BLAH 3336 1: BLAH 3337 Blah Blah 3338 0: Blah Blah 3339 1: Blah 3340 blaH blaH 3341 0: blaH blaH 3342 1: blaH 3343 blah BLAH 3344 0: blah BLAH 3345 1: blah 3346 Blah blah 3347 0: Blah blah 3348 1: Blah 3349 blaH blah 3350 0: blaH blah 3351 1: blaH 3352 3353/((?i)blah)\s+(?m)A(?i:\1)/ 3354 blah ABLAH 3355 0: blah ABLAH 3356 1: blah 3357\= Expect no match 3358 blah aBLAH 3359No match 3360 3361/(?>a*)*/ 3362 a 3363 0: a 3364 aa 3365 0: aa 3366 aaaa 3367 0: aaaa 3368 3369/(abc|)+/ 3370 abc 3371 0: abc 3372 1: 3373 abcabc 3374 0: abcabc 3375 1: 3376 abcabcabc 3377 0: abcabcabc 3378 1: 3379 xyz 3380 0: 3381 1: 3382 3383/([a]*)*/ 3384 a 3385 0: a 3386 1: 3387 aaaaa 3388 0: aaaaa 3389 1: 3390 3391/([ab]*)*/ 3392 a 3393 0: a 3394 1: 3395 b 3396 0: b 3397 1: 3398 ababab 3399 0: ababab 3400 1: 3401 aaaabcde 3402 0: aaaab 3403 1: 3404 bbbb 3405 0: bbbb 3406 1: 3407 3408/([^a]*)*/ 3409 b 3410 0: b 3411 1: 3412 bbbb 3413 0: bbbb 3414 1: 3415 aaa 3416 0: 3417 1: 3418 3419/([^ab]*)*/ 3420 cccc 3421 0: cccc 3422 1: 3423 abab 3424 0: 3425 1: 3426 3427/([a]*?)*/ 3428 a 3429 0: 3430 1: 3431 aaaa 3432 0: 3433 1: 3434 3435/([ab]*?)*/ 3436 a 3437 0: 3438 1: 3439 b 3440 0: 3441 1: 3442 abab 3443 0: 3444 1: 3445 baba 3446 0: 3447 1: 3448 3449/([^a]*?)*/ 3450 b 3451 0: 3452 1: 3453 bbbb 3454 0: 3455 1: 3456 aaa 3457 0: 3458 1: 3459 3460/([^ab]*?)*/ 3461 c 3462 0: 3463 1: 3464 cccc 3465 0: 3466 1: 3467 baba 3468 0: 3469 1: 3470 3471/(?>a*)*/ 3472 a 3473 0: a 3474 aaabcde 3475 0: aaa 3476 3477/((?>a*))*/ 3478 aaaaa 3479 0: aaaaa 3480 1: 3481 aabbaa 3482 0: aa 3483 1: 3484 3485/((?>a*?))*/ 3486 aaaaa 3487 0: 3488 1: 3489 aabbaa 3490 0: 3491 1: 3492 3493/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x 3494 12-sep-98 3495 0: 12-sep-98 3496 12-09-98 3497 0: 12-09-98 3498\= Expect no match 3499 sep-12-98 3500No match 3501 3502/(?<=(foo))bar\1/ 3503 foobarfoo 3504 0: barfoo 3505 1: foo 3506 foobarfootling 3507 0: barfoo 3508 1: foo 3509\= Expect no match 3510 foobar 3511No match 3512 barfoo 3513No match 3514 3515/(?i:saturday|sunday)/ 3516 saturday 3517 0: saturday 3518 sunday 3519 0: sunday 3520 Saturday 3521 0: Saturday 3522 Sunday 3523 0: Sunday 3524 SATURDAY 3525 0: SATURDAY 3526 SUNDAY 3527 0: SUNDAY 3528 SunDay 3529 0: SunDay 3530 3531/(a(?i)bc|BB)x/ 3532 abcx 3533 0: abcx 3534 1: abc 3535 aBCx 3536 0: aBCx 3537 1: aBC 3538 bbx 3539 0: bbx 3540 1: bb 3541 BBx 3542 0: BBx 3543 1: BB 3544\= Expect no match 3545 abcX 3546No match 3547 aBCX 3548No match 3549 bbX 3550No match 3551 BBX 3552No match 3553 3554/^([ab](?i)[cd]|[ef])/ 3555 ac 3556 0: ac 3557 1: ac 3558 aC 3559 0: aC 3560 1: aC 3561 bD 3562 0: bD 3563 1: bD 3564 elephant 3565 0: e 3566 1: e 3567 Europe 3568 0: E 3569 1: E 3570 frog 3571 0: f 3572 1: f 3573 France 3574 0: F 3575 1: F 3576\= Expect no match 3577 Africa 3578No match 3579 3580/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/ 3581 ab 3582 0: ab 3583 1: ab 3584 aBd 3585 0: aBd 3586 1: aBd 3587 xy 3588 0: xy 3589 1: xy 3590 xY 3591 0: xY 3592 1: xY 3593 zebra 3594 0: z 3595 1: z 3596 Zambesi 3597 0: Z 3598 1: Z 3599\= Expect no match 3600 aCD 3601No match 3602 XY 3603No match 3604 3605/(?<=foo\n)^bar/m 3606 foo\nbar 3607 0: bar 3608\= Expect no match 3609 bar 3610No match 3611 baz\nbar 3612No match 3613 3614/(?<=(?<!foo)bar)baz/ 3615 barbaz 3616 0: baz 3617 barbarbaz 3618 0: baz 3619 koobarbaz 3620 0: baz 3621\= Expect no match 3622 baz 3623No match 3624 foobarbaz 3625No match 3626 3627# The cases of aaaa and aaaaaa are missed out below because Perl does things 3628# differently. We know that odd, and maybe incorrect, things happen with 3629# recursive references in Perl, as far as 5.11.3 - see some stuff in test #2. 3630 3631/^(a\1?){4}$/ 3632 aaaaa 3633 0: aaaaa 3634 1: a 3635 aaaaaaa 3636 0: aaaaaaa 3637 1: a 3638 aaaaaaaaaa 3639 0: aaaaaaaaaa 3640 1: aaaa 3641\= Expect no match 3642 a 3643No match 3644 aa 3645No match 3646 aaa 3647No match 3648 aaaaaaaa 3649No match 3650 aaaaaaaaa 3651No match 3652 aaaaaaaaaaa 3653No match 3654 aaaaaaaaaaaa 3655No match 3656 aaaaaaaaaaaaa 3657No match 3658 aaaaaaaaaaaaaa 3659No match 3660 aaaaaaaaaaaaaaa 3661No match 3662 aaaaaaaaaaaaaaaa 3663No match 3664 3665/^(a\1?)(a\1?)(a\2?)(a\3?)$/ 3666 aaaa 3667 0: aaaa 3668 1: a 3669 2: a 3670 3: a 3671 4: a 3672 aaaaa 3673 0: aaaaa 3674 1: a 3675 2: aa 3676 3: a 3677 4: a 3678 aaaaaa 3679 0: aaaaaa 3680 1: a 3681 2: aa 3682 3: a 3683 4: aa 3684 aaaaaaa 3685 0: aaaaaaa 3686 1: a 3687 2: aa 3688 3: aaa 3689 4: a 3690 aaaaaaaaaa 3691 0: aaaaaaaaaa 3692 1: a 3693 2: aa 3694 3: aaa 3695 4: aaaa 3696\= Expect no match 3697 a 3698No match 3699 aa 3700No match 3701 aaa 3702No match 3703 aaaaaaaa 3704No match 3705 aaaaaaaaa 3706No match 3707 aaaaaaaaaaa 3708No match 3709 aaaaaaaaaaaa 3710No match 3711 aaaaaaaaaaaaa 3712No match 3713 aaaaaaaaaaaaaa 3714No match 3715 aaaaaaaaaaaaaaa 3716No match 3717 aaaaaaaaaaaaaaaa 3718No match 3719 3720# The following tests are taken from the Perl 5.005 test suite; some of them 3721# are compatible with 5.004, but I'd rather not have to sort them out. 3722 3723/abc/ 3724 abc 3725 0: abc 3726 xabcy 3727 0: abc 3728 ababc 3729 0: abc 3730\= Expect no match 3731 xbc 3732No match 3733 axc 3734No match 3735 abx 3736No match 3737 3738/ab*c/ 3739 abc 3740 0: abc 3741 3742/ab*bc/ 3743 abc 3744 0: abc 3745 abbc 3746 0: abbc 3747 abbbbc 3748 0: abbbbc 3749 3750/.{1}/ 3751 abbbbc 3752 0: a 3753 3754/.{3,4}/ 3755 abbbbc 3756 0: abbb 3757 3758/ab{0,}bc/ 3759 abbbbc 3760 0: abbbbc 3761 3762/ab+bc/ 3763 abbc 3764 0: abbc 3765\= Expect no match 3766 abc 3767No match 3768 abq 3769No match 3770 3771/ab{1,}bc/ 3772 3773/ab+bc/ 3774 abbbbc 3775 0: abbbbc 3776 3777/ab{1,}bc/ 3778 abbbbc 3779 0: abbbbc 3780 3781/ab{1,3}bc/ 3782 abbbbc 3783 0: abbbbc 3784 3785/ab{3,4}bc/ 3786 abbbbc 3787 0: abbbbc 3788 3789/ab{4,5}bc/ 3790\= Expect no match 3791 abq 3792No match 3793 abbbbc 3794No match 3795 3796/ab?bc/ 3797 abbc 3798 0: abbc 3799 abc 3800 0: abc 3801 3802/ab{0,1}bc/ 3803 abc 3804 0: abc 3805 3806/ab?bc/ 3807 3808/ab?c/ 3809 abc 3810 0: abc 3811 3812/ab{0,1}c/ 3813 abc 3814 0: abc 3815 3816/^abc$/ 3817 abc 3818 0: abc 3819\= Expect no match 3820 abbbbc 3821No match 3822 abcc 3823No match 3824 3825/^abc/ 3826 abcc 3827 0: abc 3828 3829/^abc$/ 3830 3831/abc$/ 3832 aabc 3833 0: abc 3834\= Expect no match 3835 aabcd 3836No match 3837 3838/^/ 3839 abc 3840 0: 3841 3842/$/ 3843 abc 3844 0: 3845 3846/a.c/ 3847 abc 3848 0: abc 3849 axc 3850 0: axc 3851 3852/a.*c/ 3853 axyzc 3854 0: axyzc 3855 3856/a[bc]d/ 3857 abd 3858 0: abd 3859\= Expect no match 3860 axyzd 3861No match 3862 abc 3863No match 3864 3865/a[b-d]e/ 3866 ace 3867 0: ace 3868 3869/a[b-d]/ 3870 aac 3871 0: ac 3872 3873/a[-b]/ 3874 a- 3875 0: a- 3876 3877/a[b-]/ 3878 a- 3879 0: a- 3880 3881/a]/ 3882 a] 3883 0: a] 3884 3885/a[]]b/ 3886 a]b 3887 0: a]b 3888 3889/a[^bc]d/ 3890 aed 3891 0: aed 3892\= Expect no match 3893 abd 3894No match 3895 abd 3896No match 3897 3898/a[^-b]c/ 3899 adc 3900 0: adc 3901 3902/a[^]b]c/ 3903 adc 3904 0: adc 3905 a-c 3906 0: a-c 3907\= Expect no match 3908 a]c 3909No match 3910 3911/\ba\b/ 3912 a- 3913 0: a 3914 -a 3915 0: a 3916 -a- 3917 0: a 3918 3919/\by\b/ 3920\= Expect no match 3921 xy 3922No match 3923 yz 3924No match 3925 xyz 3926No match 3927 3928/\Ba\B/ 3929\= Expect no match 3930 a- 3931No match 3932 -a 3933No match 3934 -a- 3935No match 3936 3937/\By\b/ 3938 xy 3939 0: y 3940 3941/\by\B/ 3942 yz 3943 0: y 3944 3945/\By\B/ 3946 xyz 3947 0: y 3948 3949/\w/ 3950 a 3951 0: a 3952 3953/\W/ 3954 - 3955 0: - 3956\= Expect no match 3957 a 3958No match 3959 3960/a\sb/ 3961 a b 3962 0: a b 3963 3964/a\Sb/ 3965 a-b 3966 0: a-b 3967\= Expect no match 3968 a b 3969No match 3970 3971/\d/ 3972 1 3973 0: 1 3974 3975/\D/ 3976 - 3977 0: - 3978\= Expect no match 3979 1 3980No match 3981 3982/[\w]/ 3983 a 3984 0: a 3985 3986/[\W]/ 3987 - 3988 0: - 3989\= Expect no match 3990 a 3991No match 3992 3993/a[\s]b/ 3994 a b 3995 0: a b 3996 3997/a[\S]b/ 3998 a-b 3999 0: a-b 4000\= Expect no match 4001 a b 4002No match 4003 4004/[\d]/ 4005 1 4006 0: 1 4007 4008/[\D]/ 4009 - 4010 0: - 4011\= Expect no match 4012 1 4013No match 4014 4015/ab|cd/ 4016 abc 4017 0: ab 4018 abcd 4019 0: ab 4020 4021/()ef/ 4022 def 4023 0: ef 4024 1: 4025 4026/$b/ 4027 4028/a\(b/ 4029 a(b 4030 0: a(b 4031 4032/a\(*b/ 4033 ab 4034 0: ab 4035 a((b 4036 0: a((b 4037 4038/a\\b/ 4039 a\\b 4040 0: a\b 4041 4042/((a))/ 4043 abc 4044 0: a 4045 1: a 4046 2: a 4047 4048/(a)b(c)/ 4049 abc 4050 0: abc 4051 1: a 4052 2: c 4053 4054/a+b+c/ 4055 aabbabc 4056 0: abc 4057 4058/a{1,}b{1,}c/ 4059 aabbabc 4060 0: abc 4061 4062/a.+?c/ 4063 abcabc 4064 0: abc 4065 4066/(a+|b)*/ 4067 ab 4068 0: ab 4069 1: b 4070 4071/(a+|b){0,}/ 4072 ab 4073 0: ab 4074 1: b 4075 4076/(a+|b)+/ 4077 ab 4078 0: ab 4079 1: b 4080 4081/(a+|b){1,}/ 4082 ab 4083 0: ab 4084 1: b 4085 4086/(a+|b)?/ 4087 ab 4088 0: a 4089 1: a 4090 4091/(a+|b){0,1}/ 4092 ab 4093 0: a 4094 1: a 4095 4096/[^ab]*/ 4097 cde 4098 0: cde 4099 4100/abc/ 4101\= Expect no match 4102 b 4103No match 4104 4105/a*/ 4106 \ 4107 0: 4108 4109/([abc])*d/ 4110 abbbcd 4111 0: abbbcd 4112 1: c 4113 4114/([abc])*bcd/ 4115 abcd 4116 0: abcd 4117 1: a 4118 4119/a|b|c|d|e/ 4120 e 4121 0: e 4122 4123/(a|b|c|d|e)f/ 4124 ef 4125 0: ef 4126 1: e 4127 4128/abcd*efg/ 4129 abcdefg 4130 0: abcdefg 4131 4132/ab*/ 4133 xabyabbbz 4134 0: ab 4135 xayabbbz 4136 0: a 4137 4138/(ab|cd)e/ 4139 abcde 4140 0: cde 4141 1: cd 4142 4143/[abhgefdc]ij/ 4144 hij 4145 0: hij 4146 4147/^(ab|cd)e/ 4148 4149/(abc|)ef/ 4150 abcdef 4151 0: ef 4152 1: 4153 4154/(a|b)c*d/ 4155 abcd 4156 0: bcd 4157 1: b 4158 4159/(ab|ab*)bc/ 4160 abc 4161 0: abc 4162 1: a 4163 4164/a([bc]*)c*/ 4165 abc 4166 0: abc 4167 1: bc 4168 4169/a([bc]*)(c*d)/ 4170 abcd 4171 0: abcd 4172 1: bc 4173 2: d 4174 4175/a([bc]+)(c*d)/ 4176 abcd 4177 0: abcd 4178 1: bc 4179 2: d 4180 4181/a([bc]*)(c+d)/ 4182 abcd 4183 0: abcd 4184 1: b 4185 2: cd 4186 4187/a[bcd]*dcdcde/ 4188 adcdcde 4189 0: adcdcde 4190 4191/a[bcd]+dcdcde/ 4192\= Expect no match 4193 abcde 4194No match 4195 adcdcde 4196No match 4197 4198/(ab|a)b*c/ 4199 abc 4200 0: abc 4201 1: ab 4202 4203/((a)(b)c)(d)/ 4204 abcd 4205 0: abcd 4206 1: abc 4207 2: a 4208 3: b 4209 4: d 4210 4211/[a-zA-Z_][a-zA-Z0-9_]*/ 4212 alpha 4213 0: alpha 4214 4215/^a(bc+|b[eh])g|.h$/ 4216 abh 4217 0: bh 4218 4219/(bc+d$|ef*g.|h?i(j|k))/ 4220 effgz 4221 0: effgz 4222 1: effgz 4223 ij 4224 0: ij 4225 1: ij 4226 2: j 4227 reffgz 4228 0: effgz 4229 1: effgz 4230\= Expect no match 4231 effg 4232No match 4233 bcdd 4234No match 4235 4236/((((((((((a))))))))))/ 4237 a 4238 0: a 4239 1: a 4240 2: a 4241 3: a 4242 4: a 4243 5: a 4244 6: a 4245 7: a 4246 8: a 4247 9: a 424810: a 4249 4250/((((((((((a))))))))))\10/ 4251 aa 4252 0: aa 4253 1: a 4254 2: a 4255 3: a 4256 4: a 4257 5: a 4258 6: a 4259 7: a 4260 8: a 4261 9: a 426210: a 4263 4264/(((((((((a)))))))))/ 4265 a 4266 0: a 4267 1: a 4268 2: a 4269 3: a 4270 4: a 4271 5: a 4272 6: a 4273 7: a 4274 8: a 4275 9: a 4276 4277/multiple words of text/ 4278\= Expect no match 4279 aa 4280No match 4281 uh-uh 4282No match 4283 4284/multiple words/ 4285 multiple words, yeah 4286 0: multiple words 4287 4288/(.*)c(.*)/ 4289 abcde 4290 0: abcde 4291 1: ab 4292 2: de 4293 4294/\((.*), (.*)\)/ 4295 (a, b) 4296 0: (a, b) 4297 1: a 4298 2: b 4299 4300/[k]/ 4301 4302/abcd/ 4303 abcd 4304 0: abcd 4305 4306/a(bc)d/ 4307 abcd 4308 0: abcd 4309 1: bc 4310 4311/a[-]?c/ 4312 ac 4313 0: ac 4314 4315/(abc)\1/ 4316 abcabc 4317 0: abcabc 4318 1: abc 4319 4320/([a-c]*)\1/ 4321 abcabc 4322 0: abcabc 4323 1: abc 4324 4325/(a)|\1/ 4326 a 4327 0: a 4328 1: a 4329 ab 4330 0: a 4331 1: a 4332\= Expect no match 4333 x 4334No match 4335 4336/(([a-c])b*?\2)*/ 4337 ababbbcbc 4338 0: ababb 4339 1: bb 4340 2: b 4341 4342/(([a-c])b*?\2){3}/ 4343 ababbbcbc 4344 0: ababbbcbc 4345 1: cbc 4346 2: c 4347 4348/((\3|b)\2(a)x)+/ 4349 aaaxabaxbaaxbbax 4350 0: bbax 4351 1: bbax 4352 2: b 4353 3: a 4354 4355/((\3|b)\2(a)){2,}/ 4356 bbaababbabaaaaabbaaaabba 4357 0: bbaaaabba 4358 1: bba 4359 2: b 4360 3: a 4361 4362/abc/i 4363 ABC 4364 0: ABC 4365 XABCY 4366 0: ABC 4367 ABABC 4368 0: ABC 4369\= Expect no match 4370 aaxabxbaxbbx 4371No match 4372 XBC 4373No match 4374 AXC 4375No match 4376 ABX 4377No match 4378 4379/ab*c/i 4380 ABC 4381 0: ABC 4382 4383/ab*bc/i 4384 ABC 4385 0: ABC 4386 ABBC 4387 0: ABBC 4388 4389/ab*?bc/i 4390 ABBBBC 4391 0: ABBBBC 4392 4393/ab{0,}?bc/i 4394 ABBBBC 4395 0: ABBBBC 4396 4397/ab+?bc/i 4398 ABBC 4399 0: ABBC 4400 4401/ab+bc/i 4402\= Expect no match 4403 ABC 4404No match 4405 ABQ 4406No match 4407 4408/ab{1,}bc/i 4409 4410/ab+bc/i 4411 ABBBBC 4412 0: ABBBBC 4413 4414/ab{1,}?bc/i 4415 ABBBBC 4416 0: ABBBBC 4417 4418/ab{1,3}?bc/i 4419 ABBBBC 4420 0: ABBBBC 4421 4422/ab{3,4}?bc/i 4423 ABBBBC 4424 0: ABBBBC 4425 4426/ab{4,5}?bc/i 4427\= Expect no match 4428 ABQ 4429No match 4430 ABBBBC 4431No match 4432 4433/ab??bc/i 4434 ABBC 4435 0: ABBC 4436 ABC 4437 0: ABC 4438 4439/ab{0,1}?bc/i 4440 ABC 4441 0: ABC 4442 4443/ab??bc/i 4444 4445/ab??c/i 4446 ABC 4447 0: ABC 4448 4449/ab{0,1}?c/i 4450 ABC 4451 0: ABC 4452 4453/^abc$/i 4454 ABC 4455 0: ABC 4456\= Expect no match 4457 ABBBBC 4458No match 4459 ABCC 4460No match 4461 4462/^abc/i 4463 ABCC 4464 0: ABC 4465 4466/^abc$/i 4467 4468/abc$/i 4469 AABC 4470 0: ABC 4471 4472/^/i 4473 ABC 4474 0: 4475 4476/$/i 4477 ABC 4478 0: 4479 4480/a.c/i 4481 ABC 4482 0: ABC 4483 AXC 4484 0: AXC 4485 4486/a.*?c/i 4487 AXYZC 4488 0: AXYZC 4489 4490/a.*c/i 4491 AABC 4492 0: AABC 4493\= Expect no match 4494 AXYZD 4495No match 4496 4497/a[bc]d/i 4498 ABD 4499 0: ABD 4500 4501/a[b-d]e/i 4502 ACE 4503 0: ACE 4504\= Expect no match 4505 ABC 4506No match 4507 ABD 4508No match 4509 4510/a[b-d]/i 4511 AAC 4512 0: AC 4513 4514/a[-b]/i 4515 A- 4516 0: A- 4517 4518/a[b-]/i 4519 A- 4520 0: A- 4521 4522/a]/i 4523 A] 4524 0: A] 4525 4526/a[]]b/i 4527 A]B 4528 0: A]B 4529 4530/a[^bc]d/i 4531 AED 4532 0: AED 4533 4534/a[^-b]c/i 4535 ADC 4536 0: ADC 4537\= Expect no match 4538 ABD 4539No match 4540 A-C 4541No match 4542 4543/a[^]b]c/i 4544 ADC 4545 0: ADC 4546 4547/ab|cd/i 4548 ABC 4549 0: AB 4550 ABCD 4551 0: AB 4552 4553/()ef/i 4554 DEF 4555 0: EF 4556 1: 4557 4558/$b/i 4559\= Expect no match 4560 A]C 4561No match 4562 B 4563No match 4564 4565/a\(b/i 4566 A(B 4567 0: A(B 4568 4569/a\(*b/i 4570 AB 4571 0: AB 4572 A((B 4573 0: A((B 4574 4575/a\\b/i 4576 A\\b 4577 0: A\b 4578 a\\B 4579 0: a\B 4580 4581/((a))/i 4582 ABC 4583 0: A 4584 1: A 4585 2: A 4586 4587/(a)b(c)/i 4588 ABC 4589 0: ABC 4590 1: A 4591 2: C 4592 4593/a+b+c/i 4594 AABBABC 4595 0: ABC 4596 4597/a{1,}b{1,}c/i 4598 AABBABC 4599 0: ABC 4600 4601/a.+?c/i 4602 ABCABC 4603 0: ABC 4604 4605/a.*?c/i 4606 ABCABC 4607 0: ABC 4608 4609/a.{0,5}?c/i 4610 ABCABC 4611 0: ABC 4612 4613/(a+|b)*/i 4614 AB 4615 0: AB 4616 1: B 4617 4618/(a+|b){0,}/i 4619 AB 4620 0: AB 4621 1: B 4622 4623/(a+|b)+/i 4624 AB 4625 0: AB 4626 1: B 4627 4628/(a+|b){1,}/i 4629 AB 4630 0: AB 4631 1: B 4632 4633/(a+|b)?/i 4634 AB 4635 0: A 4636 1: A 4637 4638/(a+|b){0,1}/i 4639 AB 4640 0: A 4641 1: A 4642 4643/(a+|b){0,1}?/i 4644 AB 4645 0: 4646 4647/[^ab]*/i 4648 CDE 4649 0: CDE 4650 4651/([abc])*d/i 4652 ABBBCD 4653 0: ABBBCD 4654 1: C 4655 4656/([abc])*bcd/i 4657 ABCD 4658 0: ABCD 4659 1: A 4660 4661/a|b|c|d|e/i 4662 E 4663 0: E 4664 4665/(a|b|c|d|e)f/i 4666 EF 4667 0: EF 4668 1: E 4669 4670/abcd*efg/i 4671 ABCDEFG 4672 0: ABCDEFG 4673 4674/ab*/i 4675 XABYABBBZ 4676 0: AB 4677 XAYABBBZ 4678 0: A 4679 4680/(ab|cd)e/i 4681 ABCDE 4682 0: CDE 4683 1: CD 4684 4685/[abhgefdc]ij/i 4686 HIJ 4687 0: HIJ 4688 4689/^(ab|cd)e/i 4690\= Expect no match 4691 ABCDE 4692No match 4693 4694/(abc|)ef/i 4695 ABCDEF 4696 0: EF 4697 1: 4698 4699/(a|b)c*d/i 4700 ABCD 4701 0: BCD 4702 1: B 4703 4704/(ab|ab*)bc/i 4705 ABC 4706 0: ABC 4707 1: A 4708 4709/a([bc]*)c*/i 4710 ABC 4711 0: ABC 4712 1: BC 4713 4714/a([bc]*)(c*d)/i 4715 ABCD 4716 0: ABCD 4717 1: BC 4718 2: D 4719 4720/a([bc]+)(c*d)/i 4721 ABCD 4722 0: ABCD 4723 1: BC 4724 2: D 4725 4726/a([bc]*)(c+d)/i 4727 ABCD 4728 0: ABCD 4729 1: B 4730 2: CD 4731 4732/a[bcd]*dcdcde/i 4733 ADCDCDE 4734 0: ADCDCDE 4735 4736/a[bcd]+dcdcde/i 4737 4738/(ab|a)b*c/i 4739 ABC 4740 0: ABC 4741 1: AB 4742 4743/((a)(b)c)(d)/i 4744 ABCD 4745 0: ABCD 4746 1: ABC 4747 2: A 4748 3: B 4749 4: D 4750 4751/[a-zA-Z_][a-zA-Z0-9_]*/i 4752 ALPHA 4753 0: ALPHA 4754 4755/^a(bc+|b[eh])g|.h$/i 4756 ABH 4757 0: BH 4758 4759/(bc+d$|ef*g.|h?i(j|k))/i 4760 EFFGZ 4761 0: EFFGZ 4762 1: EFFGZ 4763 IJ 4764 0: IJ 4765 1: IJ 4766 2: J 4767 REFFGZ 4768 0: EFFGZ 4769 1: EFFGZ 4770\= Expect no match 4771 ADCDCDE 4772No match 4773 EFFG 4774No match 4775 BCDD 4776No match 4777 4778/((((((((((a))))))))))/i 4779 A 4780 0: A 4781 1: A 4782 2: A 4783 3: A 4784 4: A 4785 5: A 4786 6: A 4787 7: A 4788 8: A 4789 9: A 479010: A 4791 4792/((((((((((a))))))))))\10/i 4793 AA 4794 0: AA 4795 1: A 4796 2: A 4797 3: A 4798 4: A 4799 5: A 4800 6: A 4801 7: A 4802 8: A 4803 9: A 480410: A 4805 4806/(((((((((a)))))))))/i 4807 A 4808 0: A 4809 1: A 4810 2: A 4811 3: A 4812 4: A 4813 5: A 4814 6: A 4815 7: A 4816 8: A 4817 9: A 4818 4819/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i 4820 A 4821 0: A 4822 1: A 4823 4824/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i 4825 C 4826 0: C 4827 1: C 4828 4829/multiple words of text/i 4830\= Expect no match 4831 AA 4832No match 4833 UH-UH 4834No match 4835 4836/multiple words/i 4837 MULTIPLE WORDS, YEAH 4838 0: MULTIPLE WORDS 4839 4840/(.*)c(.*)/i 4841 ABCDE 4842 0: ABCDE 4843 1: AB 4844 2: DE 4845 4846/\((.*), (.*)\)/i 4847 (A, B) 4848 0: (A, B) 4849 1: A 4850 2: B 4851 4852/[k]/i 4853 4854/abcd/i 4855 ABCD 4856 0: ABCD 4857 4858/a(bc)d/i 4859 ABCD 4860 0: ABCD 4861 1: BC 4862 4863/a[-]?c/i 4864 AC 4865 0: AC 4866 4867/(abc)\1/i 4868 ABCABC 4869 0: ABCABC 4870 1: ABC 4871 4872/([a-c]*)\1/i 4873 ABCABC 4874 0: ABCABC 4875 1: ABC 4876 4877/a(?!b)./ 4878 abad 4879 0: ad 4880 4881/a(?=d)./ 4882 abad 4883 0: ad 4884 4885/a(?=c|d)./ 4886 abad 4887 0: ad 4888 4889/a(?:b|c|d)(.)/ 4890 ace 4891 0: ace 4892 1: e 4893 4894/a(?:b|c|d)*(.)/ 4895 ace 4896 0: ace 4897 1: e 4898 4899/a(?:b|c|d)+?(.)/ 4900 ace 4901 0: ace 4902 1: e 4903 acdbcdbe 4904 0: acd 4905 1: d 4906 4907/a(?:b|c|d)+(.)/ 4908 acdbcdbe 4909 0: acdbcdbe 4910 1: e 4911 4912/a(?:b|c|d){2}(.)/ 4913 acdbcdbe 4914 0: acdb 4915 1: b 4916 4917/a(?:b|c|d){4,5}(.)/ 4918 acdbcdbe 4919 0: acdbcdb 4920 1: b 4921 4922/a(?:b|c|d){4,5}?(.)/ 4923 acdbcdbe 4924 0: acdbcd 4925 1: d 4926 4927/((foo)|(bar))*/ 4928 foobar 4929 0: foobar 4930 1: bar 4931 2: foo 4932 3: bar 4933 4934/a(?:b|c|d){6,7}(.)/ 4935 acdbcdbe 4936 0: acdbcdbe 4937 1: e 4938 4939/a(?:b|c|d){6,7}?(.)/ 4940 acdbcdbe 4941 0: acdbcdbe 4942 1: e 4943 4944/a(?:b|c|d){5,6}(.)/ 4945 acdbcdbe 4946 0: acdbcdbe 4947 1: e 4948 4949/a(?:b|c|d){5,6}?(.)/ 4950 acdbcdbe 4951 0: acdbcdb 4952 1: b 4953 4954/a(?:b|c|d){5,7}(.)/ 4955 acdbcdbe 4956 0: acdbcdbe 4957 1: e 4958 4959/a(?:b|c|d){5,7}?(.)/ 4960 acdbcdbe 4961 0: acdbcdb 4962 1: b 4963 4964/a(?:b|(c|e){1,2}?|d)+?(.)/ 4965 ace 4966 0: ace 4967 1: c 4968 2: e 4969 4970/^(.+)?B/ 4971 AB 4972 0: AB 4973 1: A 4974 4975/^([^a-z])|(\^)$/ 4976 . 4977 0: . 4978 1: . 4979 4980/^[<>]&/ 4981 <&OUT 4982 0: <& 4983 4984/^(a\1?){4}$/ 4985 aaaaaaaaaa 4986 0: aaaaaaaaaa 4987 1: aaaa 4988\= Expect no match 4989 AB 4990No match 4991 aaaaaaaaa 4992No match 4993 aaaaaaaaaaa 4994No match 4995 4996/^(a(?(1)\1)){4}$/ 4997 aaaaaaaaaa 4998 0: aaaaaaaaaa 4999 1: aaaa 5000\= Expect no match 5001 aaaaaaaaa 5002No match 5003 aaaaaaaaaaa 5004No match 5005 5006/(?:(f)(o)(o)|(b)(a)(r))*/ 5007 foobar 5008 0: foobar 5009 1: f 5010 2: o 5011 3: o 5012 4: b 5013 5: a 5014 6: r 5015 5016/(?<=a)b/ 5017 ab 5018 0: b 5019\= Expect no match 5020 cb 5021No match 5022 b 5023No match 5024 5025/(?<!c)b/ 5026 ab 5027 0: b 5028 b 5029 0: b 5030 b 5031 0: b 5032 5033/(?:..)*a/ 5034 aba 5035 0: aba 5036 5037/(?:..)*?a/ 5038 aba 5039 0: a 5040 5041/^(?:b|a(?=(.)))*\1/ 5042 abc 5043 0: ab 5044 1: b 5045 5046/^(){3,5}/ 5047 abc 5048 0: 5049 1: 5050 5051/^(a+)*ax/ 5052 aax 5053 0: aax 5054 1: a 5055 5056/^((a|b)+)*ax/ 5057 aax 5058 0: aax 5059 1: a 5060 2: a 5061 5062/^((a|bc)+)*ax/ 5063 aax 5064 0: aax 5065 1: a 5066 2: a 5067 5068/(a|x)*ab/ 5069 cab 5070 0: ab 5071 5072/(a)*ab/ 5073 cab 5074 0: ab 5075 5076/(?:(?i)a)b/ 5077 ab 5078 0: ab 5079 5080/((?i)a)b/ 5081 ab 5082 0: ab 5083 1: a 5084 5085/(?:(?i)a)b/ 5086 Ab 5087 0: Ab 5088 5089/((?i)a)b/ 5090 Ab 5091 0: Ab 5092 1: A 5093 5094/(?:(?i)a)b/ 5095\= Expect no match 5096 cb 5097No match 5098 aB 5099No match 5100 5101/((?i)a)b/ 5102 5103/(?i:a)b/ 5104 ab 5105 0: ab 5106 5107/((?i:a))b/ 5108 ab 5109 0: ab 5110 1: a 5111 5112/(?i:a)b/ 5113 Ab 5114 0: Ab 5115 5116/((?i:a))b/ 5117 Ab 5118 0: Ab 5119 1: A 5120 5121/(?i:a)b/ 5122\= Expect no match 5123 aB 5124No match 5125 aB 5126No match 5127 5128/((?i:a))b/ 5129 5130/(?:(?-i)a)b/i 5131 ab 5132 0: ab 5133 5134/((?-i)a)b/i 5135 ab 5136 0: ab 5137 1: a 5138 5139/(?:(?-i)a)b/i 5140 aB 5141 0: aB 5142 5143/((?-i)a)b/i 5144 aB 5145 0: aB 5146 1: a 5147 5148/(?:(?-i)a)b/i 5149 aB 5150 0: aB 5151\= Expect no match 5152 Ab 5153No match 5154 AB 5155No match 5156 5157/(?-i:a)b/i 5158 ab 5159 0: ab 5160 5161/((?-i:a))b/i 5162 ab 5163 0: ab 5164 1: a 5165 5166/(?-i:a)b/i 5167 aB 5168 0: aB 5169 5170/((?-i:a))b/i 5171 aB 5172 0: aB 5173 1: a 5174 5175/(?-i:a)b/i 5176\= Expect no match 5177 AB 5178No match 5179 Ab 5180No match 5181 5182/((?-i:a))b/i 5183 5184/(?-i:a)b/i 5185 aB 5186 0: aB 5187 5188/((?-i:a))b/i 5189 aB 5190 0: aB 5191 1: a 5192 5193/(?-i:a)b/i 5194\= Expect no match 5195 Ab 5196No match 5197 AB 5198No match 5199 5200/((?-i:a))b/i 5201 5202/((?-i:a.))b/i 5203\= Expect no match 5204 AB 5205No match 5206 a\nB 5207No match 5208 5209/((?s-i:a.))b/i 5210 a\nB 5211 0: a\x0aB 5212 1: a\x0a 5213 5214/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/ 5215 cabbbb 5216 0: cabbbb 5217 5218/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/ 5219 caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb 5220 0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb 5221 5222/(ab)\d\1/i 5223 Ab4ab 5224 0: Ab4ab 5225 1: Ab 5226 ab4Ab 5227 0: ab4Ab 5228 1: ab 5229 5230/foo\w*\d{4}baz/ 5231 foobar1234baz 5232 0: foobar1234baz 5233 5234/x(~~)*(?:(?:F)?)?/ 5235 x~~ 5236 0: x~~ 5237 1: ~~ 5238 5239/^a(?#xxx){3}c/ 5240 aaac 5241 0: aaac 5242 5243/^a (?#xxx) (?#yyy) {3}c/x 5244 aaac 5245 0: aaac 5246 5247/(?<![cd])b/ 5248\= Expect no match 5249 B\nB 5250No match 5251 dbcb 5252No match 5253 5254/(?<![cd])[ab]/ 5255 dbaacb 5256 0: a 5257 5258/(?<!(c|d))b/ 5259 5260/(?<!(c|d))[ab]/ 5261 dbaacb 5262 0: a 5263 5264/(?<!cd)[ab]/ 5265 cdaccb 5266 0: b 5267 5268/^(?:a?b?)*$/ 5269 \ 5270 0: 5271 a 5272 0: a 5273 ab 5274 0: ab 5275 aaa 5276 0: aaa 5277\= Expect no match 5278 dbcb 5279No match 5280 a-- 5281No match 5282 aa-- 5283No match 5284 5285/((?s)^a(.))((?m)^b$)/ 5286 a\nb\nc\n 5287 0: a\x0ab 5288 1: a\x0a 5289 2: \x0a 5290 3: b 5291 5292/((?m)^b$)/ 5293 a\nb\nc\n 5294 0: b 5295 1: b 5296 5297/(?m)^b/ 5298 a\nb\n 5299 0: b 5300 5301/(?m)^(b)/ 5302 a\nb\n 5303 0: b 5304 1: b 5305 5306/((?m)^b)/ 5307 a\nb\n 5308 0: b 5309 1: b 5310 5311/\n((?m)^b)/ 5312 a\nb\n 5313 0: \x0ab 5314 1: b 5315 5316/((?s).)c(?!.)/ 5317 a\nb\nc\n 5318 0: \x0ac 5319 1: \x0a 5320 a\nb\nc\n 5321 0: \x0ac 5322 1: \x0a 5323 5324/((?s)b.)c(?!.)/ 5325 a\nb\nc\n 5326 0: b\x0ac 5327 1: b\x0a 5328 a\nb\nc\n 5329 0: b\x0ac 5330 1: b\x0a 5331 5332/^b/ 5333 5334/()^b/ 5335\= Expect no match 5336 a\nb\nc\n 5337No match 5338 a\nb\nc\n 5339No match 5340 5341/((?m)^b)/ 5342 a\nb\nc\n 5343 0: b 5344 1: b 5345 5346/(x)?(?(1)a|b)/ 5347\= Expect no match 5348 a 5349No match 5350 a 5351No match 5352 5353/(x)?(?(1)b|a)/ 5354 a 5355 0: a 5356 5357/()?(?(1)b|a)/ 5358 a 5359 0: a 5360 5361/()(?(1)b|a)/ 5362 5363/()?(?(1)a|b)/ 5364 a 5365 0: a 5366 1: 5367 5368/^(\()?blah(?(1)(\)))$/ 5369 (blah) 5370 0: (blah) 5371 1: ( 5372 2: ) 5373 blah 5374 0: blah 5375\= Expect no match 5376 a 5377No match 5378 blah) 5379No match 5380 (blah 5381No match 5382 5383/^(\(+)?blah(?(1)(\)))$/ 5384 (blah) 5385 0: (blah) 5386 1: ( 5387 2: ) 5388 blah 5389 0: blah 5390\= Expect no match 5391 blah) 5392No match 5393 (blah 5394No match 5395 5396/(?(?!a)a|b)/ 5397 5398/(?(?!a)b|a)/ 5399 a 5400 0: a 5401 5402/(?(?=a)b|a)/ 5403\= Expect no match 5404 a 5405No match 5406 a 5407No match 5408 5409/(?(?=a)a|b)/ 5410 a 5411 0: a 5412 5413/(?=(a+?))(\1ab)/ 5414 aaab 5415 0: aab 5416 1: a 5417 2: aab 5418 5419/^(?=(a+?))\1ab/ 5420 5421/(\w+:)+/ 5422 one: 5423 0: one: 5424 1: one: 5425 5426/$(?<=^(a))/ 5427 a 5428 0: 5429 1: a 5430 5431/(?=(a+?))(\1ab)/ 5432 aaab 5433 0: aab 5434 1: a 5435 2: aab 5436 5437/^(?=(a+?))\1ab/ 5438\= Expect no match 5439 aaab 5440No match 5441 aaab 5442No match 5443 5444/([\w:]+::)?(\w+)$/ 5445 abcd 5446 0: abcd 5447 1: <unset> 5448 2: abcd 5449 xy:z:::abcd 5450 0: xy:z:::abcd 5451 1: xy:z::: 5452 2: abcd 5453 5454/^[^bcd]*(c+)/ 5455 aexycd 5456 0: aexyc 5457 1: c 5458 5459/(a*)b+/ 5460 caab 5461 0: aab 5462 1: aa 5463 5464/([\w:]+::)?(\w+)$/ 5465 abcd 5466 0: abcd 5467 1: <unset> 5468 2: abcd 5469 xy:z:::abcd 5470 0: xy:z:::abcd 5471 1: xy:z::: 5472 2: abcd 5473\= Expect no match 5474 abcd: 5475No match 5476 abcd: 5477No match 5478 5479/^[^bcd]*(c+)/ 5480 aexycd 5481 0: aexyc 5482 1: c 5483 5484/(>a+)ab/ 5485 5486/(?>a+)b/ 5487 aaab 5488 0: aaab 5489 5490/([[:]+)/ 5491 a:[b]: 5492 0: :[ 5493 1: :[ 5494 5495/([[=]+)/ 5496 a=[b]= 5497 0: =[ 5498 1: =[ 5499 5500/([[.]+)/ 5501 a.[b]. 5502 0: .[ 5503 1: .[ 5504 5505/((?>a+)b)/ 5506 aaab 5507 0: aaab 5508 1: aaab 5509 5510/(?>(a+))b/ 5511 aaab 5512 0: aaab 5513 1: aaa 5514 5515/((?>[^()]+)|\([^()]*\))+/ 5516 ((abc(ade)ufh()()x 5517 0: abc(ade)ufh()()x 5518 1: x 5519 5520/a\Z/ 5521\= Expect no match 5522 aaab 5523No match 5524 a\nb\n 5525No match 5526 5527/b\Z/ 5528 a\nb\n 5529 0: b 5530 5531/b\z/ 5532 5533/b\Z/ 5534 a\nb 5535 0: b 5536 5537/b\z/ 5538 a\nb 5539 0: b 5540 5541/^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/ 5542 a 5543 0: a 5544 1: 5545 abc 5546 0: abc 5547 1: 5548 a-b 5549 0: a-b 5550 1: 5551 0-9 5552 0: 0-9 5553 1: 5554 a.b 5555 0: a.b 5556 1: 5557 5.6.7 5558 0: 5.6.7 5559 1: 5560 the.quick.brown.fox 5561 0: the.quick.brown.fox 5562 1: 5563 a100.b200.300c 5564 0: a100.b200.300c 5565 1: 5566 12-ab.1245 5567 0: 12-ab.1245 5568 1: 5569\= Expect no match 5570 \ 5571No match 5572 .a 5573No match 5574 -a 5575No match 5576 a- 5577No match 5578 a. 5579No match 5580 a_b 5581No match 5582 a.- 5583No match 5584 a.. 5585No match 5586 ab..bc 5587No match 5588 the.quick.brown.fox- 5589No match 5590 the.quick.brown.fox. 5591No match 5592 the.quick.brown.fox_ 5593No match 5594 the.quick.brown.fox+ 5595No match 5596 5597/(?>.*)(?<=(abcd|wxyz))/ 5598 alphabetabcd 5599 0: alphabetabcd 5600 1: abcd 5601 endingwxyz 5602 0: endingwxyz 5603 1: wxyz 5604\= Expect no match 5605 a rather long string that doesn't end with one of them 5606No match 5607 5608/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/ 5609 word cat dog elephant mussel cow horse canary baboon snake shark otherword 5610 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword 5611\= Expect no match 5612 word cat dog elephant mussel cow horse canary baboon snake shark 5613No match 5614 5615/word (?>[a-zA-Z0-9]+ ){0,30}otherword/ 5616\= Expect no match 5617 word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope 5618No match 5619 5620/(?<=\d{3}(?!999))foo/ 5621 999foo 5622 0: foo 5623 123999foo 5624 0: foo 5625\= Expect no match 5626 123abcfoo 5627No match 5628 5629/(?<=(?!...999)\d{3})foo/ 5630 999foo 5631 0: foo 5632 123999foo 5633 0: foo 5634\= Expect no match 5635 123abcfoo 5636No match 5637 5638/(?<=\d{3}(?!999)...)foo/ 5639 123abcfoo 5640 0: foo 5641 123456foo 5642 0: foo 5643\= Expect no match 5644 123999foo 5645No match 5646 5647/(?<=\d{3}...)(?<!999)foo/ 5648 123abcfoo 5649 0: foo 5650 123456foo 5651 0: foo 5652\= Expect no match 5653 123999foo 5654No match 5655 5656/<a[\s]+href[\s]*=[\s]* # find <a href= 5657 ([\"\'])? # find single or double quote 5658 (?(1) (.*?)\1 | ([^\s]+)) # if quote found, match up to next matching 5659 # quote, otherwise match up to next space 5660/isx 5661 <a href=abcd xyz 5662 0: <a href=abcd 5663 1: <unset> 5664 2: <unset> 5665 3: abcd 5666 <a href=\"abcd xyz pqr\" cats 5667 0: <a href="abcd xyz pqr" 5668 1: " 5669 2: abcd xyz pqr 5670 <a href=\'abcd xyz pqr\' cats 5671 0: <a href='abcd xyz pqr' 5672 1: ' 5673 2: abcd xyz pqr 5674 5675/<a\s+href\s*=\s* # find <a href= 5676 (["'])? # find single or double quote 5677 (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching 5678 # quote, otherwise match up to next space 5679/isx 5680 <a href=abcd xyz 5681 0: <a href=abcd 5682 1: <unset> 5683 2: <unset> 5684 3: abcd 5685 <a href=\"abcd xyz pqr\" cats 5686 0: <a href="abcd xyz pqr" 5687 1: " 5688 2: abcd xyz pqr 5689 <a href = \'abcd xyz pqr\' cats 5690 0: <a href = 'abcd xyz pqr' 5691 1: ' 5692 2: abcd xyz pqr 5693 5694/<a\s+href(?>\s*)=(?>\s*) # find <a href= 5695 (["'])? # find single or double quote 5696 (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching 5697 # quote, otherwise match up to next space 5698/isx 5699 <a href=abcd xyz 5700 0: <a href=abcd 5701 1: <unset> 5702 2: <unset> 5703 3: abcd 5704 <a href=\"abcd xyz pqr\" cats 5705 0: <a href="abcd xyz pqr" 5706 1: " 5707 2: abcd xyz pqr 5708 <a href = \'abcd xyz pqr\' cats 5709 0: <a href = 'abcd xyz pqr' 5710 1: ' 5711 2: abcd xyz pqr 5712 5713/((Z)+|A)*/ 5714 ZABCDEFG 5715 0: ZA 5716 1: A 5717 2: Z 5718 5719/(Z()|A)*/ 5720 ZABCDEFG 5721 0: ZA 5722 1: A 5723 2: 5724 5725/(Z(())|A)*/ 5726 ZABCDEFG 5727 0: ZA 5728 1: A 5729 2: 5730 3: 5731 5732/((?>Z)+|A)*/ 5733 ZABCDEFG 5734 0: ZA 5735 1: A 5736 5737/((?>)+|A)*/ 5738 ZABCDEFG 5739 0: 5740 1: 5741 5742/a*/g 5743 abbab 5744 0: a 5745 0: 5746 0: 5747 0: a 5748 0: 5749 0: 5750 5751/[[:space:]]+/ 5752 > \x09\x0a\x0c\x0d\x0b< 5753 0: \x09\x0a\x0c\x0d\x0b 5754 5755/[[:blank:]]+/ 5756 > \x09\x0a\x0c\x0d\x0b< 5757 0: \x09 5758 5759/[\s]+/ 5760 > \x09\x0a\x0c\x0d\x0b< 5761 0: \x09\x0a\x0c\x0d\x0b 5762 5763/\s+/ 5764 > \x09\x0a\x0c\x0d\x0b< 5765 0: \x09\x0a\x0c\x0d\x0b 5766 5767/a b/x 5768 ab 5769 0: ab 5770 5771/(?!\A)x/m 5772 a\nxb\n 5773 0: x 5774 5775/(?!^)x/m 5776\= Expect no match 5777 a\nxb\n 5778No match 5779 5780/abc\Qabc\Eabc/ 5781 abcabcabc 5782 0: abcabcabc 5783 5784/abc\Q(*+|\Eabc/ 5785 abc(*+|abc 5786 0: abc(*+|abc 5787 5788/ abc\Q abc\Eabc/x 5789 abc abcabc 5790 0: abc abcabc 5791\= Expect no match 5792 abcabcabc 5793No match 5794 5795/abc#comment 5796 \Q#not comment 5797 literal\E/x 5798 abc#not comment\n literal 5799 0: abc#not comment\x0a literal 5800 5801/abc#comment 5802 \Q#not comment 5803 literal/x 5804 abc#not comment\n literal 5805 0: abc#not comment\x0a literal 5806 5807/abc#comment 5808 \Q#not comment 5809 literal\E #more comment 5810 /x 5811 abc#not comment\n literal 5812 0: abc#not comment\x0a literal 5813 5814/abc#comment 5815 \Q#not comment 5816 literal\E #more comment/x 5817 abc#not comment\n literal 5818 0: abc#not comment\x0a literal 5819 5820/\Qabc\$xyz\E/ 5821 abc\\\$xyz 5822 0: abc\$xyz 5823 5824/\Qabc\E\$\Qxyz\E/ 5825 abc\$xyz 5826 0: abc$xyz 5827 5828/\Gabc/ 5829 abc 5830 0: abc 5831\= Expect no match 5832 xyzabc 5833No match 5834 5835/\Gabc./g 5836 abc1abc2xyzabc3 5837 0: abc1 5838 0: abc2 5839 5840/abc./g 5841 abc1abc2xyzabc3 5842 0: abc1 5843 0: abc2 5844 0: abc3 5845 5846/a(?x: b c )d/ 5847 XabcdY 5848 0: abcd 5849\= Expect no match 5850 Xa b c d Y 5851No match 5852 5853/((?x)x y z | a b c)/ 5854 XabcY 5855 0: abc 5856 1: abc 5857 AxyzB 5858 0: xyz 5859 1: xyz 5860 5861/(?i)AB(?-i)C/ 5862 XabCY 5863 0: abC 5864\= Expect no match 5865 XabcY 5866No match 5867 5868/((?i)AB(?-i)C|D)E/ 5869 abCE 5870 0: abCE 5871 1: abC 5872 DE 5873 0: DE 5874 1: D 5875\= Expect no match 5876 abcE 5877No match 5878 abCe 5879No match 5880 dE 5881No match 5882 De 5883No match 5884 5885/(.*)\d+\1/ 5886 abc123abc 5887 0: abc123abc 5888 1: abc 5889 abc123bc 5890 0: bc123bc 5891 1: bc 5892 5893/(.*)\d+\1/s 5894 abc123abc 5895 0: abc123abc 5896 1: abc 5897 abc123bc 5898 0: bc123bc 5899 1: bc 5900 5901/((.*))\d+\1/ 5902 abc123abc 5903 0: abc123abc 5904 1: abc 5905 2: abc 5906 abc123bc 5907 0: bc123bc 5908 1: bc 5909 2: bc 5910 5911# This tests for an IPv6 address in the form where it can have up to 5912# eight components, one and only one of which is empty. This must be 5913# an internal component. 5914 5915/^(?!:) # colon disallowed at start 5916 (?: # start of item 5917 (?: [0-9a-f]{1,4} | # 1-4 hex digits or 5918 (?(1)0 | () ) ) # if null previously matched, fail; else null 5919 : # followed by colon 5920 ){1,7} # end item; 1-7 of them required 5921 [0-9a-f]{1,4} $ # final hex number at end of string 5922 (?(1)|.) # check that there was an empty component 5923 /ix 5924 a123::a123 5925 0: a123::a123 5926 1: 5927 a123:b342::abcd 5928 0: a123:b342::abcd 5929 1: 5930 a123:b342::324e:abcd 5931 0: a123:b342::324e:abcd 5932 1: 5933 a123:ddde:b342::324e:abcd 5934 0: a123:ddde:b342::324e:abcd 5935 1: 5936 a123:ddde:b342::324e:dcba:abcd 5937 0: a123:ddde:b342::324e:dcba:abcd 5938 1: 5939 a123:ddde:9999:b342::324e:dcba:abcd 5940 0: a123:ddde:9999:b342::324e:dcba:abcd 5941 1: 5942\= Expect no match 5943 1:2:3:4:5:6:7:8 5944No match 5945 a123:bce:ddde:9999:b342::324e:dcba:abcd 5946No match 5947 a123::9999:b342::324e:dcba:abcd 5948No match 5949 abcde:2:3:4:5:6:7:8 5950No match 5951 ::1 5952No match 5953 abcd:fee0:123:: 5954No match 5955 :1 5956No match 5957 1: 5958No match 5959 5960/[z\Qa-d]\E]/ 5961 z 5962 0: z 5963 a 5964 0: a 5965 - 5966 0: - 5967 d 5968 0: d 5969 ] 5970 0: ] 5971\= Expect no match 5972 b 5973No match 5974 5975/(a+)*b/ 5976\= Expect no match 5977 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 5978No match 5979 5980/(?i)reg(?:ul(?:[a�]|ae)r|ex)/ 5981 REGular 5982 0: REGular 5983 regulaer 5984 0: regulaer 5985 Regex 5986 0: Regex 5987 regul�r 5988 0: regul\xe4r 5989 5990/����[�-��-�]+/ 5991 ����� 5992 0: \xc5\xe6\xe5\xe4\xe0 5993 ����� 5994 0: \xc5\xe6\xe5\xe4\xff 5995 ����� 5996 0: \xc5\xe6\xe5\xe4\xc0 5997 ����� 5998 0: \xc5\xe6\xe5\xe4\xdf 5999 6000/(?<=Z)X./ 6001 \x84XAZXB 6002 0: XB 6003 6004/ab cd (?x) de fg/ 6005 ab cd defg 6006 0: ab cd defg 6007 6008/ab cd(?x) de fg/ 6009 ab cddefg 6010 0: ab cddefg 6011\= Expect no match 6012 abcddefg 6013No match 6014 6015/(?<![^f]oo)(bar)/ 6016 foobarX 6017 0: bar 6018 1: bar 6019\= Expect no match 6020 boobarX 6021No match 6022 6023/(?<![^f])X/ 6024 offX 6025 0: X 6026\= Expect no match 6027 onyX 6028No match 6029 6030/(?<=[^f])X/ 6031 onyX 6032 0: X 6033\= Expect no match 6034 offX 6035No match 6036 6037/^/gm 6038 a\nb\nc\n 6039 0: 6040 0: 6041 0: 6042 \ 6043 0: 6044 6045/(?<=C\n)^/gm 6046 A\nC\nC\n 6047 0: 6048 6049/(?:(?(1)a|b)(X))+/ 6050 bXaX 6051 0: bXaX 6052 1: X 6053 6054/(?:(?(1)\1a|b)(X|Y))+/ 6055 bXXaYYaY 6056 0: bXXaYYaY 6057 1: Y 6058 bXYaXXaX 6059 0: bX 6060 1: X 6061 6062/()()()()()()()()()(?:(?(10)\10a|b)(X|Y))+/ 6063 bXXaYYaY 6064 0: bX 6065 1: 6066 2: 6067 3: 6068 4: 6069 5: 6070 6: 6071 7: 6072 8: 6073 9: 607410: X 6075 6076/[[,abc,]+]/ 6077 abc] 6078 0: abc] 6079 a,b] 6080 0: a,b] 6081 [a,b,c] 6082 0: [a,b,c] 6083 6084/(?-x: )/x 6085 A\x20B 6086 0: 6087 6088/(?x)(?-x: \s*#\s*)/ 6089 A # B 6090 0: # 6091\= Expect no match 6092 # 6093No match 6094 A s#s B 6095No match 6096 6097/(?x-is)(?:(?-ixs) \s*#\s*) include/ 6098 A #include 6099 0: #include 6100\= Expect no match 6101 A#include 6102No match 6103 A #Include 6104No match 6105 6106/a*b*\w/ 6107 aaabbbb 6108 0: aaabbbb 6109 aaaa 6110 0: aaaa 6111 a 6112 0: a 6113 6114/a*b?\w/ 6115 aaabbbb 6116 0: aaabb 6117 aaaa 6118 0: aaaa 6119 a 6120 0: a 6121 6122/a*b{0,4}\w/ 6123 aaabbbb 6124 0: aaabbbb 6125 aaaa 6126 0: aaaa 6127 a 6128 0: a 6129 6130/a*b{0,}\w/ 6131 aaabbbb 6132 0: aaabbbb 6133 aaaa 6134 0: aaaa 6135 a 6136 0: a 6137 6138/a*\d*\w/ 6139 0a 6140 0: 0a 6141 a 6142 0: a 6143 6144/a*b *\w/x 6145 a 6146 0: a 6147 6148/a*b#comment 6149 *\w/x 6150 a 6151 0: a 6152 6153/a* b *\w/x 6154 a 6155 0: a 6156 6157/^\w+=.*(\\\n.*)*/ 6158 abc=xyz\\\npqr 6159 0: abc=xyz\ 6160 6161/(?=(\w+))\1:/ 6162 abcd: 6163 0: abcd: 6164 1: abcd 6165 6166/^(?=(\w+))\1:/ 6167 abcd: 6168 0: abcd: 6169 1: abcd 6170 6171/^\Eabc/ 6172 abc 6173 0: abc 6174 6175/^[\Eabc]/ 6176 a 6177 0: a 6178\= Expect no match 6179 E 6180No match 6181 6182/^[a-\Ec]/ 6183 b 6184 0: b 6185\= Expect no match 6186 - 6187No match 6188 E 6189No match 6190 6191/^[a\E\E-\Ec]/ 6192 b 6193 0: b 6194\= Expect no match 6195 - 6196No match 6197 E 6198No match 6199 6200/^[\E\Qa\E-\Qz\E]+/ 6201 b 6202 0: b 6203\= Expect no match 6204 - 6205No match 6206 6207/^[a\Q]bc\E]/ 6208 a 6209 0: a 6210 ] 6211 0: ] 6212 c 6213 0: c 6214 6215/^[a-\Q\E]/ 6216 a 6217 0: a 6218 - 6219 0: - 6220 6221/^(a()*)*/ 6222 aaaa 6223 0: aaaa 6224 1: a 6225 2: 6226 6227/^(?:a(?:(?:))*)*/ 6228 aaaa 6229 0: aaaa 6230 6231/^(a()+)+/ 6232 aaaa 6233 0: aaaa 6234 1: a 6235 2: 6236 6237/^(?:a(?:(?:))+)+/ 6238 aaaa 6239 0: aaaa 6240 6241/(a){0,3}(?(1)b|(c|))*D/ 6242 abbD 6243 0: abbD 6244 1: a 6245 ccccD 6246 0: ccccD 6247 1: <unset> 6248 2: 6249 D 6250 0: D 6251 1: <unset> 6252 2: 6253 6254/(a|)*\d/ 6255 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6256 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6257 1: 6258\= Expect no match 6259 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 6260No match 6261 6262/(?>a|)*\d/ 6263 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6264 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6265\= Expect no match 6266 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 6267No match 6268 6269/(?:a|)*\d/ 6270 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6271 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6272\= Expect no match 6273 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 6274No match 6275 6276/\Z/g 6277 abc\n 6278 0: 6279 0: 6280 6281/^(?s)(?>.*)(?<!\n)/ 6282 abc 6283 0: abc 6284\= Expect no match 6285 abc\n 6286No match 6287 6288/^(?![^\n]*\n\z)/ 6289 abc 6290 0: 6291\= Expect no match 6292 abc\n 6293No match 6294 6295/\z(?<!\n)/ 6296 abc 6297 0: 6298\= Expect no match 6299 abc\n 6300No match 6301 6302/(.*(.)?)*/ 6303 abcd 6304 0: abcd 6305 1: 6306 6307/( (A | (?(1)0|) )* )/x 6308 abcd 6309 0: 6310 1: 6311 2: 6312 6313/( ( (?(1)0|) )* )/x 6314 abcd 6315 0: 6316 1: 6317 2: 6318 6319/( (?(1)0|)* )/x 6320 abcd 6321 0: 6322 1: 6323 6324/[[:abcd:xyz]]/ 6325 a] 6326 0: a] 6327 :] 6328 0: :] 6329 6330/[abc[:x\]pqr]/ 6331 a 6332 0: a 6333 [ 6334 0: [ 6335 : 6336 0: : 6337 ] 6338 0: ] 6339 p 6340 0: p 6341 6342/.*[op][xyz]/ 6343\= Expect no match 6344 fooabcfoo 6345No match 6346 6347/(?(?=.*b)b|^)/ 6348 adc 6349 0: 6350 abc 6351 0: b 6352 6353/(?(?=^.*b)b|^)/ 6354 adc 6355 0: 6356\= Expect no match 6357 abc 6358No match 6359 6360/(?(?=.*b)b|^)*/ 6361 adc 6362 0: 6363 abc 6364 0: 6365 6366/(?(?=.*b)b|^)+/ 6367 adc 6368 0: 6369 abc 6370 0: b 6371 6372/(?(?=b).*b|^d)/ 6373 abc 6374 0: b 6375 6376/(?(?=.*b).*b|^d)/ 6377 abc 6378 0: ab 6379 6380/^%((?(?=[a])[^%])|b)*%$/ 6381 %ab% 6382 0: %ab% 6383 1: 6384 6385/(?i)a(?-i)b|c/ 6386 XabX 6387 0: ab 6388 XAbX 6389 0: Ab 6390 CcC 6391 0: c 6392\= Expect no match 6393 XABX 6394No match 6395 6396/[\x00-\xff\s]+/ 6397 \x0a\x0b\x0c\x0d 6398 0: \x0a\x0b\x0c\x0d 6399 6400/(abc)\1/i 6401\= Expect no match 6402 abc 6403No match 6404 6405/(abc)\1/ 6406\= Expect no match 6407 abc 6408No match 6409 6410/[^a]*/i 6411 12abc 6412 0: 12 6413 12ABC 6414 0: 12 6415 6416/[^a]*+/i 6417 12abc 6418 0: 12 6419 12ABC 6420 0: 12 6421 6422/[^a]*?X/i 6423\= Expect no match 6424 12abc 6425No match 6426 12ABC 6427No match 6428 6429/[^a]+?X/i 6430\= Expect no match 6431 12abc 6432No match 6433 12ABC 6434No match 6435 6436/[^a]?X/i 6437 12aXbcX 6438 0: X 6439 12AXBCX 6440 0: X 6441 BCX 6442 0: CX 6443 6444/[^a]??X/i 6445 12aXbcX 6446 0: X 6447 12AXBCX 6448 0: X 6449 BCX 6450 0: CX 6451 6452/[^a]?+X/i 6453 12aXbcX 6454 0: cX 6455 12AXBCX 6456 0: CX 6457 BCX 6458 0: CX 6459 6460/[^a]{2,3}/i 6461 abcdef 6462 0: bcd 6463 ABCDEF 6464 0: BCD 6465 6466/[^a]{2,3}?/i 6467 abcdef 6468 0: bc 6469 ABCDEF 6470 0: BC 6471 6472/[^a]{2,3}+/i 6473 abcdef 6474 0: bcd 6475 ABCDEF 6476 0: BCD 6477 6478/((a|)+)+Z/ 6479 Z 6480 0: Z 6481 1: 6482 2: 6483 6484/(a)b|(a)c/ 6485 ac 6486 0: ac 6487 1: <unset> 6488 2: a 6489 6490/(?>(a))b|(a)c/ 6491 ac 6492 0: ac 6493 1: <unset> 6494 2: a 6495 6496/(?=(a))ab|(a)c/ 6497 ac 6498 0: ac 6499 1: <unset> 6500 2: a 6501 6502/((?>(a))b|(a)c)/ 6503 ac 6504 0: ac 6505 1: ac 6506 2: <unset> 6507 3: a 6508 6509/((?>(a))b|(a)c)++/ 6510 ac 6511 0: ac 6512 1: ac 6513 2: <unset> 6514 3: a 6515 6516/(?:(?>(a))b|(a)c)++/ 6517 ac 6518 0: ac 6519 1: <unset> 6520 2: a 6521 6522/(?=(?>(a))b|(a)c)(..)/ 6523 ac 6524 0: ac 6525 1: <unset> 6526 2: a 6527 3: ac 6528 6529/(?>(?>(a))b|(a)c)/ 6530 ac 6531 0: ac 6532 1: <unset> 6533 2: a 6534 6535/(?:(?>([ab])))+a=/aftertext 6536 =ba= 6537 0: ba= 6538 0+ 6539 1: b 6540 6541/(?>([ab]))+a=/aftertext 6542 =ba= 6543 0: ba= 6544 0+ 6545 1: b 6546 6547/((?>(a+)b)+(aabab))/ 6548 aaaabaaabaabab 6549 0: aaaabaaabaabab 6550 1: aaaabaaabaabab 6551 2: aaa 6552 3: aabab 6553 6554/(?>a+|ab)+?c/ 6555\= Expect no match 6556 aabc 6557No match 6558 6559/(?>a+|ab)+c/ 6560\= Expect no match 6561 aabc 6562No match 6563 6564/(?:a+|ab)+c/ 6565 aabc 6566 0: aabc 6567 6568/(?(?=(a))a)/ 6569 a 6570 0: a 6571 1: a 6572 6573/(?(?=(a))a)(b)/ 6574 ab 6575 0: ab 6576 1: a 6577 2: b 6578 6579/^(?:a|ab)++c/ 6580\= Expect no match 6581 aaaabc 6582No match 6583 6584/^(?>a|ab)++c/ 6585\= Expect no match 6586 aaaabc 6587No match 6588 6589/^(?:a|ab)+c/ 6590 aaaabc 6591 0: aaaabc 6592 6593/(?=abc){3}abc/aftertext 6594 abcabcabc 6595 0: abc 6596 0+ abcabc 6597\= Expect no match 6598 xyz 6599No match 6600 6601/(?=abc)+abc/aftertext 6602 abcabcabc 6603 0: abc 6604 0+ abcabc 6605\= Expect no match 6606 xyz 6607No match 6608 6609/(?=abc)++abc/aftertext 6610 abcabcabc 6611 0: abc 6612 0+ abcabc 6613\= Expect no match 6614 xyz 6615No match 6616 6617/(?=abc){0}xyz/ 6618 xyz 6619 0: xyz 6620 6621/(?=abc){1}xyz/ 6622\= Expect no match 6623 xyz 6624No match 6625 6626/(?=(a))?./ 6627 ab 6628 0: a 6629 1: a 6630 bc 6631 0: b 6632 6633/(?=(a))??./ 6634 ab 6635 0: a 6636 bc 6637 0: b 6638 6639/^(?=(?1))?[az]([abc])d/ 6640 abd 6641 0: abd 6642 1: b 6643 zcdxx 6644 0: zcd 6645 1: c 6646 6647/^(?!a){0}\w+/ 6648 aaaaa 6649 0: aaaaa 6650 6651/(?<=(abc))?xyz/ 6652 abcxyz 6653 0: xyz 6654 1: abc 6655 pqrxyz 6656 0: xyz 6657 6658/^[\g<a>]+/ 6659 ggg<<<aaa>>> 6660 0: ggg<<<aaa>>> 6661\= Expect no match 6662 \\ga 6663No match 6664 6665/^[\ga]+/ 6666 gggagagaxyz 6667 0: gggagaga 6668 6669/^[:a[:digit:]]+/ 6670 aaaa444:::Z 6671 0: aaaa444::: 6672 6673/^[:a[:digit:]:b]+/ 6674 aaaa444:::bbbZ 6675 0: aaaa444:::bbb 6676 6677/[:a]xxx[b:]/ 6678 :xxx: 6679 0: :xxx: 6680 6681/(?<=a{2})b/i 6682 xaabc 6683 0: b 6684\= Expect no match 6685 xabc 6686No match 6687 6688/(?<!a{2})b/i 6689 xabc 6690 0: b 6691\= Expect no match 6692 xaabc 6693No match 6694 6695/(?<=a\h)c/ 6696 xa c 6697 0: c 6698 6699/(?<=[^a]{2})b/ 6700 axxbc 6701 0: b 6702 aAAbc 6703 0: b 6704\= Expect no match 6705 xaabc 6706No match 6707 6708/(?<=[^a]{2})b/i 6709 axxbc 6710 0: b 6711\= Expect no match 6712 aAAbc 6713No match 6714 xaabc 6715No match 6716 6717/(?<=a\H)c/ 6718 abc 6719 0: c 6720 6721/(?<=a\V)c/ 6722 abc 6723 0: c 6724 6725/(?<=a\v)c/ 6726 a\nc 6727 0: c 6728 6729/(?(?=c)c|d)++Y/ 6730 XcccddYX 6731 0: cccddY 6732 6733/(?(?=c)c|d)*+Y/ 6734 XcccddYX 6735 0: cccddY 6736 6737/^(a{2,3}){2,}+a/ 6738 aaaaaaa 6739 0: aaaaaaa 6740 1: aaa 6741\= Expect no match 6742 aaaaaa 6743No match 6744 aaaaaaaaa 6745No match 6746 6747/^(a{2,3})++a/ 6748\= Expect no match 6749 aaaaaa 6750No match 6751 6752/^(a{2,3})*+a/ 6753\= Expect no match 6754 aaaaaa 6755No match 6756 6757/\H\h\V\v/ 6758 X X\x0a 6759 0: X X\x0a 6760 X\x09X\x0b 6761 0: X\x09X\x0b 6762\= Expect no match 6763 \xa0 X\x0a 6764No match 6765 6766/\H*\h+\V?\v{3,4}/ 6767 \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a 6768 0: \x09 \xa0X\x0a\x0b\x0c\x0d 6769 \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a 6770 0: \x09 \xa0\x0a\x0b\x0c\x0d 6771 \x09\x20\xa0\x0a\x0b\x0c 6772 0: \x09 \xa0\x0a\x0b\x0c 6773\= Expect no match 6774 \x09\x20\xa0\x0a\x0b 6775No match 6776 6777/\H{3,4}/ 6778 XY ABCDE 6779 0: ABCD 6780 XY PQR ST 6781 0: PQR 6782 6783/.\h{3,4}./ 6784 XY AB PQRS 6785 0: B P 6786 6787/\h*X\h?\H+Y\H?Z/ 6788 >XNNNYZ 6789 0: XNNNYZ 6790 > X NYQZ 6791 0: X NYQZ 6792\= Expect no match 6793 >XYZ 6794No match 6795 > X NY Z 6796No match 6797 6798/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/ 6799 >XY\x0aZ\x0aA\x0bNN\x0c 6800 0: XY\x0aZ\x0aA\x0bNN\x0c 6801 >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c 6802 0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c 6803 6804/(foo)\Kbar/ 6805 foobar 6806 0: bar 6807 1: foo 6808 6809/(foo)(\Kbar|baz)/ 6810 foobar 6811 0: bar 6812 1: foo 6813 2: bar 6814 foobaz 6815 0: foobaz 6816 1: foo 6817 2: baz 6818 6819/(foo\Kbar)baz/ 6820 foobarbaz 6821 0: barbaz 6822 1: foobar 6823 6824/abc\K|def\K/g,aftertext 6825 Xabcdefghi 6826 0: 6827 0+ defghi 6828 0: 6829 0+ ghi 6830 6831/ab\Kc|de\Kf/g,aftertext 6832 Xabcdefghi 6833 0: c 6834 0+ defghi 6835 0: f 6836 0+ ghi 6837 6838/(?=C)/g,aftertext 6839 ABCDECBA 6840 0: 6841 0+ CDECBA 6842 0: 6843 0+ CBA 6844 6845/^abc\K/aftertext 6846 abcdef 6847 0: 6848 0+ def 6849\= Expect no match 6850 defabcxyz 6851No match 6852 6853/^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-2}Z/ 6854 ababababbbabZXXXX 6855 0: ababababbbabZ 6856 1: ab 6857 2: b 6858 6859/(?<A>tom|bon)-\g{A}/ 6860 tom-tom 6861 0: tom-tom 6862 1: tom 6863 bon-bon 6864 0: bon-bon 6865 1: bon 6866 6867/(^(a|b\g{-1}))/ 6868\= Expect no match 6869 bacxxx 6870No match 6871 6872/(?|(abc)|(xyz))\1/ 6873 abcabc 6874 0: abcabc 6875 1: abc 6876 xyzxyz 6877 0: xyzxyz 6878 1: xyz 6879\= Expect no match 6880 abcxyz 6881No match 6882 xyzabc 6883No match 6884 6885/(?|(abc)|(xyz))(?1)/ 6886 abcabc 6887 0: abcabc 6888 1: abc 6889 xyzabc 6890 0: xyzabc 6891 1: xyz 6892\= Expect no match 6893 xyzxyz 6894No match 6895 6896/^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/ 6897 XYabcdY 6898 0: XYabcdY 6899 1: a 6900 2: b 6901 3: c 6902 4: d 6903 5: Y 6904 6905/^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/ 6906 XYabcdY 6907 0: XYabcdY 6908 1: a 6909 2: b 6910 3: <unset> 6911 4: <unset> 6912 5: c 6913 6: d 6914 7: Y 6915 6916/^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/ 6917 XYabcdY 6918 0: XYabcdY 6919 1: a 6920 2: b 6921 3: <unset> 6922 4: <unset> 6923 5: c 6924 6: d 6925 7: Y 6926 6927/(?'abc'\w+):\k<abc>{2}/ 6928 a:aaxyz 6929 0: a:aa 6930 1: a 6931 ab:ababxyz 6932 0: ab:abab 6933 1: ab 6934\= Expect no match 6935 a:axyz 6936No match 6937 ab:abxyz 6938No match 6939 6940/(?'abc'\w+):\g{abc}{2}/ 6941 a:aaxyz 6942 0: a:aa 6943 1: a 6944 ab:ababxyz 6945 0: ab:abab 6946 1: ab 6947\= Expect no match 6948 a:axyz 6949No match 6950 ab:abxyz 6951No match 6952 6953/^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x 6954 abd 6955 0: abd 6956 1: a 6957 ce 6958 0: ce 6959 6960/^(a.)\g-1Z/ 6961 aXaXZ 6962 0: aXaXZ 6963 1: aX 6964 6965/^(a.)\g{-1}Z/ 6966 aXaXZ 6967 0: aXaXZ 6968 1: aX 6969 6970/^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /x 6971 abcd 6972 0: ab 6973 6974/(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT)) 6975 (?(DEFINE) 6976 (?<NAME_PAT>[a-z]+) 6977 (?<ADDRESS_PAT>\d+) 6978 )/x 6979 metcalfe 33 6980 0: metcalfe 33 6981 1: metcalfe 6982 2: 33 6983 6984/(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ 6985 1.2.3.4 6986 0: 1.2.3.4 6987 1: <unset> 6988 2: .4 6989 131.111.10.206 6990 0: 131.111.10.206 6991 1: <unset> 6992 2: .206 6993 10.0.0.0 6994 0: 10.0.0.0 6995 1: <unset> 6996 2: .0 6997\= Expect no match 6998 10.6 6999No match 7000 455.3.4.5 7001No match 7002 7003/\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ 7004 1.2.3.4 7005 0: 1.2.3.4 7006 1: .4 7007 131.111.10.206 7008 0: 131.111.10.206 7009 1: .206 7010 10.0.0.0 7011 0: 10.0.0.0 7012 1: .0 7013\= Expect no match 7014 10.6 7015No match 7016 455.3.4.5 7017No match 7018 7019/^(\w++|\s++)*$/ 7020 now is the time for all good men to come to the aid of the party 7021 0: now is the time for all good men to come to the aid of the party 7022 1: party 7023\= Expect no match 7024 this is not a line with only words and spaces! 7025No match 7026 7027/(\d++)(\w)/ 7028 12345a 7029 0: 12345a 7030 1: 12345 7031 2: a 7032\= Expect no match 7033 12345+ 7034No match 7035 7036/a++b/ 7037 aaab 7038 0: aaab 7039 7040/(a++b)/ 7041 aaab 7042 0: aaab 7043 1: aaab 7044 7045/(a++)b/ 7046 aaab 7047 0: aaab 7048 1: aaa 7049 7050/([^()]++|\([^()]*\))+/ 7051 ((abc(ade)ufh()()x 7052 0: abc(ade)ufh()()x 7053 1: x 7054 7055/\(([^()]++|\([^()]+\))+\)/ 7056 (abc) 7057 0: (abc) 7058 1: abc 7059 (abc(def)xyz) 7060 0: (abc(def)xyz) 7061 1: xyz 7062\= Expect no match 7063 ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 7064No match 7065 7066/^([^()]|\((?1)*\))*$/ 7067 abc 7068 0: abc 7069 1: c 7070 a(b)c 7071 0: a(b)c 7072 1: c 7073 a(b(c))d 7074 0: a(b(c))d 7075 1: d 7076\= Expect no match) 7077 a(b(c)d 7078No match 7079 7080/^>abc>([^()]|\((?1)*\))*<xyz<$/ 7081 >abc>123<xyz< 7082 0: >abc>123<xyz< 7083 1: 3 7084 >abc>1(2)3<xyz< 7085 0: >abc>1(2)3<xyz< 7086 1: 3 7087 >abc>(1(2)3)<xyz< 7088 0: >abc>(1(2)3)<xyz< 7089 1: (1(2)3) 7090 7091/^(?:((.)(?1)\2|)|((.)(?3)\4|.))$/i 7092 1221 7093 0: 1221 7094 1: 1221 7095 2: 1 7096 Satanoscillatemymetallicsonatas 7097 0: Satanoscillatemymetallicsonatas 7098 1: <unset> 7099 2: <unset> 7100 3: Satanoscillatemymetallicsonatas 7101 4: S 7102 AmanaplanacanalPanama 7103 0: AmanaplanacanalPanama 7104 1: <unset> 7105 2: <unset> 7106 3: AmanaplanacanalPanama 7107 4: A 7108 AblewasIereIsawElba 7109 0: AblewasIereIsawElba 7110 1: <unset> 7111 2: <unset> 7112 3: AblewasIereIsawElba 7113 4: A 7114\= Expect no match 7115 Thequickbrownfox 7116No match 7117 7118/^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/ 7119 12 7120 0: 12 7121 1: 12 7122 (((2+2)*-3)-7) 7123 0: (((2+2)*-3)-7) 7124 1: (((2+2)*-3)-7) 7125 2: - 7126 -12 7127 0: -12 7128 1: -12 7129\= Expect no match 7130 ((2+2)*-3)-7) 7131No match 7132 7133/^(x(y|(?1){2})z)/ 7134 xyz 7135 0: xyz 7136 1: xyz 7137 2: y 7138 xxyzxyzz 7139 0: xxyzxyzz 7140 1: xxyzxyzz 7141 2: xyzxyz 7142\= Expect no match 7143 xxyzz 7144No match 7145 xxyzxyzxyzz 7146No match 7147 7148/((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/x 7149 <> 7150 0: <> 7151 1: <> 7152 2: <> 7153 <abcd> 7154 0: <abcd> 7155 1: <abcd> 7156 2: <abcd> 7157 <abc <123> hij> 7158 0: <abc <123> hij> 7159 1: <abc <123> hij> 7160 2: <abc <123> hij> 7161 <abc <def> hij> 7162 0: <def> 7163 1: <def> 7164 2: <def> 7165 <abc<>def> 7166 0: <abc<>def> 7167 1: <abc<>def> 7168 2: <abc<>def> 7169 <abc<> 7170 0: <> 7171 1: <> 7172 2: <> 7173\= Expect no match 7174 <abc 7175No match 7176 7177/^a+(*FAIL)/ 7178\= Expect no match 7179 aaaaaa 7180No match 7181 7182/a+b?c+(*FAIL)/ 7183\= Expect no match 7184 aaabccc 7185No match 7186 7187/a+b?(*PRUNE)c+(*FAIL)/ 7188\= Expect no match 7189 aaabccc 7190No match 7191 7192/a+b?(*COMMIT)c+(*FAIL)/ 7193\= Expect no match 7194 aaabccc 7195No match 7196 7197/a+b?(*SKIP)c+(*FAIL)/ 7198\= Expect no match 7199 aaabcccaaabccc 7200No match 7201 7202/^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/ 7203 aaaxxxxxx 7204 0: aaaxxxxxx 7205 aaa++++++ 7206 0: aaa 7207 bbbxxxxx 7208 0: bbbxxxxx 7209 bbb+++++ 7210 0: bbb 7211 cccxxxx 7212 0: cccxxxx 7213 ccc++++ 7214 0: ccc 7215 dddddddd 7216 0: ddd 7217 7218/^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/ 7219 aaaxxxxxx 7220 0: aaaxxxxxx 7221 1: aaaxxxxxx 7222 aaa++++++ 7223 0: aaa 7224 1: aaa 7225 bbbxxxxx 7226 0: bbbxxxxx 7227 1: bbbxxxxx 7228 bbb+++++ 7229 0: bbb 7230 1: bbb 7231 cccxxxx 7232 0: cccxxxx 7233 1: cccxxxx 7234 ccc++++ 7235 0: ccc 7236 1: ccc 7237 dddddddd 7238 0: ddd 7239 1: ddd 7240 7241/a+b?(*THEN)c+(*FAIL)/ 7242\= Expect no match 7243 aaabccc 7244No match 7245 7246/(A (A|B(*ACCEPT)|C) D)(E)/x 7247 AB 7248 0: AB 7249 1: AB 7250 2: B 7251 ABX 7252 0: AB 7253 1: AB 7254 2: B 7255 AADE 7256 0: AADE 7257 1: AAD 7258 2: A 7259 3: E 7260 ACDE 7261 0: ACDE 7262 1: ACD 7263 2: C 7264 3: E 7265\= Expect no match 7266 AD 7267No match 7268 7269/^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i 7270 1221 7271 0: 1221 7272 1: 1221 7273 2: 1 7274 Satan, oscillate my metallic sonatas! 7275 0: Satan, oscillate my metallic sonatas! 7276 1: <unset> 7277 2: <unset> 7278 3: Satan, oscillate my metallic sonatas 7279 4: S 7280 A man, a plan, a canal: Panama! 7281 0: A man, a plan, a canal: Panama! 7282 1: <unset> 7283 2: <unset> 7284 3: A man, a plan, a canal: Panama 7285 4: A 7286 Able was I ere I saw Elba. 7287 0: Able was I ere I saw Elba. 7288 1: <unset> 7289 2: <unset> 7290 3: Able was I ere I saw Elba 7291 4: A 7292\= Expect no match 7293 The quick brown fox 7294No match 7295 7296/^((.)(?1)\2|.)$/ 7297 a 7298 0: a 7299 1: a 7300 aba 7301 0: aba 7302 1: aba 7303 2: a 7304 aabaa 7305 0: aabaa 7306 1: aabaa 7307 2: a 7308 abcdcba 7309 0: abcdcba 7310 1: abcdcba 7311 2: a 7312 pqaabaaqp 7313 0: pqaabaaqp 7314 1: pqaabaaqp 7315 2: p 7316 ablewasiereisawelba 7317 0: ablewasiereisawelba 7318 1: ablewasiereisawelba 7319 2: a 7320\= Expect no match 7321 rhubarb 7322No match 7323 the quick brown fox 7324No match 7325 7326/(a)(?<=b(?1))/ 7327 baz 7328 0: a 7329 1: a 7330\= Expect no match 7331 caz 7332No match 7333 7334/(?<=b(?1))(a)/ 7335 zbaaz 7336 0: a 7337 1: a 7338\= Expect no match 7339 aaa 7340No match 7341 7342/(?<X>a)(?<=b(?&X))/ 7343 baz 7344 0: a 7345 1: a 7346 7347/^(?|(abc)|(def))\1/ 7348 abcabc 7349 0: abcabc 7350 1: abc 7351 defdef 7352 0: defdef 7353 1: def 7354\= Expect no match 7355 abcdef 7356No match 7357 defabc 7358No match 7359 7360/^(?|(abc)|(def))(?1)/ 7361 abcabc 7362 0: abcabc 7363 1: abc 7364 defabc 7365 0: defabc 7366 1: def 7367\= Expect no match 7368 defdef 7369No match 7370 abcdef 7371No match 7372 7373/(?:a(?<quote> (?<apostrophe>')|(?<realquote>")) |b(?<quote> (?<apostrophe>')|(?<realquote>")) ) (?('quote')[a-z]+|[0-9]+)/x,dupnames 7374 a\"aaaaa 7375 0: a"aaaaa 7376 1: " 7377 2: <unset> 7378 3: " 7379 b\"aaaaa 7380 0: b"aaaaa 7381 1: <unset> 7382 2: <unset> 7383 3: <unset> 7384 4: " 7385 5: <unset> 7386 6: " 7387\= Expect no match 7388 b\"11111 7389No match 7390 7391/(?:(?1)|B)(A(*F)|C)/ 7392 ABCD 7393 0: BC 7394 1: C 7395 CCD 7396 0: CC 7397 1: C 7398\= Expect no match 7399 CAD 7400No match 7401 7402/^(?:(?1)|B)(A(*F)|C)/ 7403 CCD 7404 0: CC 7405 1: C 7406 BCD 7407 0: BC 7408 1: C 7409\= Expect no match 7410 ABCD 7411No match 7412 CAD 7413No match 7414 BAD 7415No match 7416 7417/(?:(?1)|B)(A(*ACCEPT)XX|C)D/ 7418 AAD 7419 0: AA 7420 1: A 7421 ACD 7422 0: ACD 7423 1: C 7424 BAD 7425 0: BA 7426 1: A 7427 BCD 7428 0: BCD 7429 1: C 7430 BAX 7431 0: BA 7432 1: A 7433\= Expect no match 7434 ACX 7435No match 7436 ABC 7437No match 7438 7439/(?(DEFINE)(A))B(?1)C/ 7440 BAC 7441 0: BAC 7442 7443/(?(DEFINE)((A)\2))B(?1)C/ 7444 BAAC 7445 0: BAAC 7446 7447/(?<pn> \( ( [^()]++ | (?&pn) )* \) )/x 7448 (ab(cd)ef) 7449 0: (ab(cd)ef) 7450 1: (ab(cd)ef) 7451 2: ef 7452 7453/^(?=a(*SKIP)b|ac)/ 7454\= Expect no match 7455 ac 7456No match 7457 7458/^(?=a(*PRUNE)b)/ 7459 ab 7460 0: 7461\= Expect no match 7462 ac 7463No match 7464 7465/^(?=a(*ACCEPT)b)/ 7466 ac 7467 0: 7468 7469/(?>a\Kb)/ 7470 ab 7471 0: b 7472 7473/((?>a\Kb))/ 7474 ab 7475 0: b 7476 1: ab 7477 7478/(a\Kb)/ 7479 ab 7480 0: b 7481 1: ab 7482 7483/^a\Kcz|ac/ 7484 ac 7485 0: ac 7486 7487/(?>a\Kbz|ab)/ 7488 ab 7489 0: ab 7490 7491/^(?&t)(?(DEFINE)(?<t>a\Kb))$/ 7492 ab 7493 0: b 7494 7495/^([^()]|\((?1)*\))*$/ 7496 a(b)c 7497 0: a(b)c 7498 1: c 7499 a(b(c)d)e 7500 0: a(b(c)d)e 7501 1: e 7502 7503/(?P<L1>(?P<L2>0)(?P>L1)|(?P>L2))/ 7504 0 7505 0: 0 7506 1: 0 7507 00 7508 0: 00 7509 1: 00 7510 2: 0 7511 0000 7512 0: 0000 7513 1: 0000 7514 2: 0 7515 7516/(?P<L1>(?P<L2>0)|(?P>L2)(?P>L1))/ 7517 0 7518 0: 0 7519 1: 0 7520 2: 0 7521 00 7522 0: 0 7523 1: 0 7524 2: 0 7525 0000 7526 0: 0 7527 1: 0 7528 2: 0 7529 7530# This one does fail, as expected, in Perl. It needs the complex item at the 7531# end of the pattern. A single letter instead of (B|D) makes it not fail, which 7532# I think is a Perl bug. 7533 7534/A(*COMMIT)(B|D)/ 7535\= Expect no match 7536 ACABX 7537No match 7538 7539# Check the use of names for failure 7540 7541/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark 7542\= Expect no match 7543 AC 7544No match, mark = A 7545 CB 7546No match, mark = B 7547 7548/(*MARK:A)(*SKIP:B)(C|X)/mark 7549 C 7550 0: C 7551 1: C 7552MK: A 7553\= Expect no match 7554 D 7555No match, mark = A 7556 7557/^(A(*THEN:A)B|C(*THEN:B)D)/mark 7558\= Expect no match 7559 CB 7560No match, mark = B 7561 7562/^(?:A(*THEN:A)B|C(*THEN:B)D)/mark 7563\= Expect no match 7564 CB 7565No match, mark = B 7566 7567/^(?>A(*THEN:A)B|C(*THEN:B)D)/mark 7568\= Expect no match 7569 CB 7570No match, mark = B 7571 7572# This should succeed, as the skip causes bump to offset 1 (the mark). Note 7573# that we have to have something complicated such as (B|Z) at the end because, 7574# for Perl, a simple character somehow causes an unwanted optimization to mess 7575# with the handling of backtracking verbs. 7576 7577/A(*MARK:A)A+(*SKIP:A)(B|Z) | AC/x,mark 7578 AAAC 7579 0: AC 7580 7581# Test skipping over a non-matching mark. 7582 7583/A(*MARK:A)A+(*MARK:B)(*SKIP:A)(B|Z) | AC/x,mark 7584 AAAC 7585 0: AC 7586 7587# Check shorthand for MARK. 7588 7589/A(*:A)A+(*SKIP:A)(B|Z) | AC/x,mark 7590 AAAC 7591 0: AC 7592 7593/(*:A)A+(*SKIP:A)(B|Z)/mark 7594\= Expect no match 7595 AAAC 7596No match, mark = A 7597 7598# This should succeed, as a non-existent skip name disables the skip. 7599 7600/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark 7601 AAAC 7602 0: AC 7603 7604/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC(*:B)/x,mark 7605 AAAC 7606 0: AC 7607MK: B 7608 7609# COMMIT at the start of a pattern should act like an anchor. Again, however, 7610# we need the complication for Perl. 7611 7612/(*COMMIT)(A|P)(B|P)(C|P)/ 7613 ABCDEFG 7614 0: ABC 7615 1: A 7616 2: B 7617 3: C 7618\= Expect no match 7619 DEFGABC 7620No match 7621 7622# COMMIT inside an atomic group can't stop backtracking over the group. 7623 7624/(\w+)(?>b(*COMMIT))\w{2}/ 7625 abbb 7626 0: abbb 7627 1: a 7628 7629/(\w+)b(*COMMIT)\w{2}/ 7630\= Expect no match 7631 abbb 7632No match 7633 7634# Check opening parens in comment when seeking forward reference. 7635 7636/(?&t)(?#()(?(DEFINE)(?<t>a))/ 7637 bac 7638 0: a 7639 7640# COMMIT should override THEN. 7641 7642/(?>(*COMMIT)(?>yes|no)(*THEN)(*F))?/ 7643\= Expect no match 7644 yes 7645No match 7646 7647/(?>(*COMMIT)(yes|no)(*THEN)(*F))?/ 7648\= Expect no match 7649 yes 7650No match 7651 7652/b?(*SKIP)c/ 7653 bc 7654 0: bc 7655 abc 7656 0: bc 7657 7658/(*SKIP)bc/ 7659\= Expect no match 7660 a 7661No match 7662 7663/(*SKIP)b/ 7664\= Expect no match 7665 a 7666No match 7667 7668/(?P<abn>(?P=abn)xxx|)+/ 7669 xxx 7670 0: 7671 1: 7672 7673/(?i:([^b]))(?1)/ 7674 aa 7675 0: aa 7676 1: a 7677 aA 7678 0: aA 7679 1: a 7680\= Expect no match 7681 ab 7682No match 7683 aB 7684No match 7685 Ba 7686No match 7687 ba 7688No match 7689 7690/^(?&t)*+(?(DEFINE)(?<t>a))\w$/ 7691 aaaaaaX 7692 0: aaaaaaX 7693\= Expect no match 7694 aaaaaa 7695No match 7696 7697/^(?&t)*(?(DEFINE)(?<t>a))\w$/ 7698 aaaaaaX 7699 0: aaaaaaX 7700 aaaaaa 7701 0: aaaaaa 7702 7703/^(a)*+(\w)/ 7704 aaaaX 7705 0: aaaaX 7706 1: a 7707 2: X 7708 YZ 7709 0: Y 7710 1: <unset> 7711 2: Y 7712\= Expect no match 7713 aaaa 7714No match 7715 7716/^(?:a)*+(\w)/ 7717 aaaaX 7718 0: aaaaX 7719 1: X 7720 YZ 7721 0: Y 7722 1: Y 7723\= Expect no match 7724 aaaa 7725No match 7726 7727/^(a)++(\w)/ 7728 aaaaX 7729 0: aaaaX 7730 1: a 7731 2: X 7732\= Expect no match 7733 aaaa 7734No match 7735 YZ 7736No match 7737 7738/^(?:a)++(\w)/ 7739 aaaaX 7740 0: aaaaX 7741 1: X 7742\= Expect no match 7743 aaaa 7744No match 7745 YZ 7746No match 7747 7748/^(a)?+(\w)/ 7749 aaaaX 7750 0: aa 7751 1: a 7752 2: a 7753 YZ 7754 0: Y 7755 1: <unset> 7756 2: Y 7757 7758/^(?:a)?+(\w)/ 7759 aaaaX 7760 0: aa 7761 1: a 7762 YZ 7763 0: Y 7764 1: Y 7765 7766/^(a){2,}+(\w)/ 7767 aaaaX 7768 0: aaaaX 7769 1: a 7770 2: X 7771\= Expect no match 7772 aaa 7773No match 7774 YZ 7775No match 7776 7777/^(?:a){2,}+(\w)/ 7778 aaaaX 7779 0: aaaaX 7780 1: X 7781\= Expect no match 7782 aaa 7783No match 7784 YZ 7785No match 7786 7787/(a|)*(?1)b/ 7788 b 7789 0: b 7790 1: 7791 ab 7792 0: ab 7793 1: 7794 aab 7795 0: aab 7796 1: 7797 7798/(a)++(?1)b/ 7799\= Expect no match 7800 ab 7801No match 7802 aab 7803No match 7804 7805/(a)*+(?1)b/ 7806\= Expect no match 7807 ab 7808No match 7809 aab 7810No match 7811 7812/(?1)(?:(b)){0}/ 7813 b 7814 0: b 7815 7816/(foo ( \( ((?:(?> [^()]+ )|(?2))*) \) ) )/x 7817 foo(bar(baz)+baz(bop)) 7818 0: foo(bar(baz)+baz(bop)) 7819 1: foo(bar(baz)+baz(bop)) 7820 2: (bar(baz)+baz(bop)) 7821 3: bar(baz)+baz(bop) 7822 7823/(A (A|B(*ACCEPT)|C) D)(E)/x 7824 AB 7825 0: AB 7826 1: AB 7827 2: B 7828 7829/\A.*?(a|bc)/ 7830 ba 7831 0: ba 7832 1: a 7833 7834/\A.*?(?:a|bc)++/ 7835 ba 7836 0: ba 7837 7838/\A.*?(a|bc)++/ 7839 ba 7840 0: ba 7841 1: a 7842 7843/\A.*?(?:a|bc|d)/ 7844 ba 7845 0: ba 7846 7847/(?:(b))++/ 7848 beetle 7849 0: b 7850 1: b 7851 7852/(?(?=(a(*ACCEPT)z))a)/ 7853 a 7854 0: a 7855 1: a 7856 7857/^(a)(?1)+ab/ 7858 aaaab 7859 0: aaaab 7860 1: a 7861 7862/^(a)(?1)++ab/ 7863\= Expect no match 7864 aaaab 7865No match 7866 7867/^(?=a(*:M))aZ/mark 7868 aZbc 7869 0: aZ 7870MK: M 7871 7872/^(?!(*:M)b)aZ/mark 7873 aZbc 7874 0: aZ 7875 7876/(?(DEFINE)(a))?b(?1)/ 7877 backgammon 7878 0: ba 7879 7880/^\N+/ 7881 abc\ndef 7882 0: abc 7883 7884/^\N{1,}/ 7885 abc\ndef 7886 0: abc 7887 7888/(?(R)a+|(?R)b)/ 7889 aaaabcde 7890 0: aaaab 7891 7892/(?(R)a+|((?R))b)/ 7893 aaaabcde 7894 0: aaaab 7895 1: aaaa 7896 7897/((?(R)a+|(?1)b))/ 7898 aaaabcde 7899 0: aaaab 7900 1: aaaab 7901 7902/((?(R1)a+|(?1)b))/ 7903 aaaabcde 7904 0: aaaab 7905 1: aaaab 7906 7907/((?(R)a|(?1)))*/ 7908 aaa 7909 0: aaa 7910 1: a 7911 7912/((?(R)a|(?1)))+/ 7913 aaa 7914 0: aaa 7915 1: a 7916 7917/a(*:any 7918name)/mark 7919 abc 7920 0: a 7921MK: any \x0aname 7922 7923/(?>(?&t)c|(?&t))(?(DEFINE)(?<t>a|b(*PRUNE)c))/ 7924 a 7925 0: a 7926 ba 7927 0: a 7928 bba 7929 0: a 7930 7931# Checking revised (*THEN) handling. 7932 7933# Capture 7934 7935/^.*? (a(*THEN)b) c/x 7936\= Expect no match 7937 aabc 7938No match 7939 7940/^.*? (a(*THEN)b|(*F)) c/x 7941 aabc 7942 0: aabc 7943 1: ab 7944 7945/^.*? ( (a(*THEN)b) | (*F) ) c/x 7946 aabc 7947 0: aabc 7948 1: ab 7949 2: ab 7950 7951/^.*? ( (a(*THEN)b) ) c/x 7952\= Expect no match 7953 aabc 7954No match 7955 7956# Non-capture 7957 7958/^.*? (?:a(*THEN)b) c/x 7959\= Expect no match 7960 aabc 7961No match 7962 7963/^.*? (?:a(*THEN)b|(*F)) c/x 7964 aabc 7965 0: aabc 7966 7967/^.*? (?: (?:a(*THEN)b) | (*F) ) c/x 7968 aabc 7969 0: aabc 7970 7971/^.*? (?: (?:a(*THEN)b) ) c/x 7972\= Expect no match 7973 aabc 7974No match 7975 7976# Atomic 7977 7978/^.*? (?>a(*THEN)b) c/x 7979\= Expect no match 7980 aabc 7981No match 7982 7983/^.*? (?>a(*THEN)b|(*F)) c/x 7984 aabc 7985 0: aabc 7986 7987/^.*? (?> (?>a(*THEN)b) | (*F) ) c/x 7988 aabc 7989 0: aabc 7990 7991/^.*? (?> (?>a(*THEN)b) ) c/x 7992\= Expect no match 7993 aabc 7994No match 7995 7996# Possessive capture 7997 7998/^.*? (a(*THEN)b)++ c/x 7999\= Expect no match 8000 aabc 8001No match 8002 8003/^.*? (a(*THEN)b|(*F))++ c/x 8004 aabc 8005 0: aabc 8006 1: ab 8007 8008/^.*? ( (a(*THEN)b)++ | (*F) )++ c/x 8009 aabc 8010 0: aabc 8011 1: ab 8012 2: ab 8013 8014/^.*? ( (a(*THEN)b)++ )++ c/x 8015\= Expect no match 8016 aabc 8017No match 8018 8019# Possessive non-capture 8020 8021/^.*? (?:a(*THEN)b)++ c/x 8022\= Expect no match 8023 aabc 8024No match 8025 8026/^.*? (?:a(*THEN)b|(*F))++ c/x 8027 aabc 8028 0: aabc 8029 8030/^.*? (?: (?:a(*THEN)b)++ | (*F) )++ c/x 8031 aabc 8032 0: aabc 8033 8034/^.*? (?: (?:a(*THEN)b)++ )++ c/x 8035\= Expect no match 8036 aabc 8037No match 8038 8039# Condition assertion 8040 8041/^(?(?=a(*THEN)b)ab|ac)/ 8042 ac 8043 0: ac 8044 8045# Condition 8046 8047/^.*?(?(?=a)a|b(*THEN)c)/ 8048\= Expect no match 8049 ba 8050No match 8051 8052/^.*?(?:(?(?=a)a|b(*THEN)c)|d)/ 8053 ba 8054 0: ba 8055 8056/^.*?(?(?=a)a(*THEN)b|c)/ 8057\= Expect no match 8058 ac 8059No match 8060 8061# Assertion 8062 8063/^.*(?=a(*THEN)b)/ 8064 aabc 8065 0: a 8066 8067# -------------------------- 8068 8069/(?>a(*:m))/imsx,mark 8070 a 8071 0: a 8072MK: m 8073 8074/(?>(a)(*:m))/imsx,mark 8075 a 8076 0: a 8077 1: a 8078MK: m 8079 8080/(?<=a(*ACCEPT)b)c/ 8081 xacd 8082 0: c 8083 8084/(?<=(a(*ACCEPT)b))c/ 8085 xacd 8086 0: c 8087 1: a 8088 8089/(?<=(a(*COMMIT)b))c/ 8090 xabcd 8091 0: c 8092 1: ab 8093\= Expect no match 8094 xacd 8095No match 8096 8097/(?<!a(*FAIL)b)c/ 8098 xcd 8099 0: c 8100 acd 8101 0: c 8102 8103/(?<=a(*:N)b)c/mark 8104 xabcd 8105 0: c 8106MK: N 8107 8108/(?<=a(*PRUNE)b)c/ 8109 xabcd 8110 0: c 8111 8112/(?<=a(*SKIP)b)c/ 8113 xabcd 8114 0: c 8115 8116/(?<=a(*THEN)b)c/ 8117 xabcd 8118 0: c 8119 8120/(a)(?2){2}(.)/ 8121 abcd 8122 0: abcd 8123 1: a 8124 2: d 8125 8126/(*MARK:A)(*PRUNE:B)(C|X)/mark 8127 C 8128 0: C 8129 1: C 8130MK: B 8131\= Expect no match 8132 D 8133No match, mark = B 8134 8135/(*MARK:A)(*PRUNE:B)(C|X)/mark 8136 C 8137 0: C 8138 1: C 8139MK: B 8140\= Expect no match 8141 D 8142No match, mark = B 8143 8144/(*MARK:A)(*THEN:B)(C|X)/mark 8145 C 8146 0: C 8147 1: C 8148MK: B 8149\= Expect no match 8150 D 8151No match, mark = B 8152 8153/(*MARK:A)(*THEN:B)(C|X)/mark,no_start_optimize 8154 C 8155 0: C 8156 1: C 8157MK: B 8158\= Expect no match 8159 D 8160No match, mark = B 8161 8162/(*MARK:A)(*THEN:B)(C|X)/mark 8163 C 8164 0: C 8165 1: C 8166MK: B 8167\= Expect no match 8168 D 8169No match, mark = B 8170 8171# This should fail, as the skip causes a bump to offset 3 (the skip). 8172 8173/A(*MARK:A)A+(*SKIP)(B|Z) | AC/x,mark 8174\= Expect no match 8175 AAAC 8176No match, mark = A 8177 8178# Same 8179 8180/A(*MARK:A)A+(*MARK:B)(*SKIP:B)(B|Z) | AC/x,mark 8181\= Expect no match 8182 AAAC 8183No match, mark = B 8184 8185/A(*:A)A+(*SKIP)(B|Z) | AC/x,mark 8186\= Expect no match 8187 AAAC 8188No match, mark = A 8189 8190# This should fail, as a null name is the same as no name. 8191 8192/A(*MARK:A)A+(*SKIP:)(B|Z) | AC/x,mark 8193\= Expect no match 8194 AAAC 8195No match, mark = A 8196 8197# A check on what happens after hitting a mark and them bumping along to 8198# something that does not even start. Perl reports tags after the failures 8199# here, though it does not when the individual letters are made into something 8200# more complicated. 8201 8202/A(*:A)B|XX(*:B)Y/mark 8203 AABC 8204 0: AB 8205MK: A 8206 XXYZ 8207 0: XXY 8208MK: B 8209\= Expect no match 8210 XAQQ 8211No match, mark = A 8212 XAQQXZZ 8213No match, mark = A 8214 AXQQQ 8215No match, mark = A 8216 AXXQQQ 8217No match, mark = B 8218 8219/^(A(*THEN:A)B|C(*THEN:B)D)/mark 8220 AB 8221 0: AB 8222 1: AB 8223MK: A 8224 CD 8225 0: CD 8226 1: CD 8227MK: B 8228\= Expect no match 8229 AC 8230No match, mark = A 8231 CB 8232No match, mark = B 8233 8234/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark 8235 AB 8236 0: AB 8237 1: AB 8238MK: A 8239 CD 8240 0: CD 8241 1: CD 8242MK: B 8243\= Expect no match 8244 AC 8245No match, mark = A 8246 CB 8247No match, mark = B 8248 8249# An empty name does not pass back an empty string. It is the same as if no 8250# name were given. 8251 8252/^(A(*PRUNE:)B|C(*PRUNE:B)D)/mark 8253 AB 8254 0: AB 8255 1: AB 8256 CD 8257 0: CD 8258 1: CD 8259MK: B 8260 8261# PRUNE goes to next bumpalong; COMMIT does not. 8262 8263/A(*PRUNE:A)B/mark 8264 ACAB 8265 0: AB 8266MK: A 8267 8268# Mark names can be duplicated. 8269 8270/A(*:A)B|X(*:A)Y/mark 8271 AABC 8272 0: AB 8273MK: A 8274 XXYZ 8275 0: XY 8276MK: A 8277 8278/b(*:m)f|a(*:n)w/mark 8279 aw 8280 0: aw 8281MK: n 8282\= Expect no match 8283 abc 8284No match, mark = m 8285 8286/b(*:m)f|aw/mark 8287 abaw 8288 0: aw 8289\= Expect no match 8290 abc 8291No match, mark = m 8292 abax 8293No match, mark = m 8294 8295/A(*MARK:A)A+(*SKIP:B)(B|Z) | AAC/x,mark 8296 AAAC 8297 0: AAC 8298 8299/(?=a(*MARK:A)b)..x/mark 8300 abxy 8301 0: abx 8302MK: A 8303\= Expect no match 8304 abpq 8305No match 8306 8307/(?=a(*MARK:A)b)..(*:Y)x/mark 8308 abxy 8309 0: abx 8310MK: Y 8311\= Expect no match 8312 abpq 8313No match 8314 8315/(?=a(*PRUNE:A)b)..x/mark 8316 abxy 8317 0: abx 8318MK: A 8319\= Expect no match 8320 abpq 8321No match 8322 8323/(?=a(*PRUNE:A)b)..(*:Y)x/mark 8324 abxy 8325 0: abx 8326MK: Y 8327\= Expect no match 8328 abpq 8329No match 8330 8331/(?=a(*THEN:A)b)..x/mark 8332 abxy 8333 0: abx 8334MK: A 8335\= Expect no match 8336 abpq 8337No match 8338 8339/(?=a(*THEN:A)b)..(*:Y)x/mark 8340 abxy 8341 0: abx 8342MK: Y 8343\= Expect no match 8344 abpq 8345No match 8346 8347/(another)?(\1?)test/ 8348 hello world test 8349 0: test 8350 1: <unset> 8351 2: 8352 8353/(another)?(\1+)test/ 8354\= Expect no match 8355 hello world test 8356No match 8357 8358/(a(*COMMIT)b){0}a(?1)|aac/ 8359 aac 8360 0: aac 8361 8362/((?:a?)*)*c/ 8363 aac 8364 0: aac 8365 1: 8366 8367/((?>a?)*)*c/ 8368 aac 8369 0: aac 8370 1: 8371 8372/(?>.*?a)(?<=ba)/ 8373 aba 8374 0: ba 8375 8376/(?:.*?a)(?<=ba)/ 8377 aba 8378 0: aba 8379 8380/(?>.*?a)b/s 8381 aab 8382 0: ab 8383 8384/(?>.*?a)b/ 8385 aab 8386 0: ab 8387 8388/(?>^a)b/s 8389\= Expect no match 8390 aab 8391No match 8392 8393/(?>.*?)(?<=(abcd)|(wxyz))/ 8394 alphabetabcd 8395 0: 8396 1: abcd 8397 endingwxyz 8398 0: 8399 1: <unset> 8400 2: wxyz 8401 8402/(?>.*)(?<=(abcd)|(wxyz))/ 8403 alphabetabcd 8404 0: alphabetabcd 8405 1: abcd 8406 endingwxyz 8407 0: endingwxyz 8408 1: <unset> 8409 2: wxyz 8410 8411/(?>.*)foo/ 8412\= Expect no match 8413 abcdfooxyz 8414No match 8415 8416/(?>.*?)foo/ 8417 abcdfooxyz 8418 0: foo 8419 8420/(?:(a(*PRUNE)b)){0}(?:(?1)|ac)/ 8421 ac 8422 0: ac 8423 8424/(?:(a(*SKIP)b)){0}(?:(?1)|ac)/ 8425 ac 8426 0: ac 8427 8428/(?<=(*SKIP)ac)a/ 8429\= Expect no match 8430 aa 8431No match 8432 8433/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark 8434 AAAC 8435 0: AC 8436 8437/a(*SKIP:m)x|ac(*:n)(*SKIP:n)d|ac/mark 8438 acacd 8439 0: acd 8440MK: n 8441 8442/A(*SKIP:m)x|A(*SKIP:n)x|AB/mark 8443 AB 8444 0: AB 8445 8446/((*SKIP:r)d){0}a(*SKIP:m)x|ac(*:n)|ac/mark 8447 acacd 8448 0: ac 8449MK: n 8450 8451# Tests that try to figure out how Perl works. My hypothesis is that the first 8452# verb that is backtracked onto is the one that acts. This seems to be the case 8453# almost all the time, but there is one exception that is perhaps a bug. 8454 8455# This matches "aaaac"; each PRUNE advances one character until the subject no 8456# longer starts with 5 'a's. 8457 8458/aaaaa(*PRUNE)b|a+c/ 8459 aaaaaac 8460 0: aaaac 8461 8462# Putting SKIP in front of PRUNE makes no difference, as it is never 8463# backtracked onto, whether or not it has a label. 8464 8465/aaaaa(*SKIP)(*PRUNE)b|a+c/ 8466 aaaaaac 8467 0: aaaac 8468 8469/aaaaa(*SKIP:N)(*PRUNE)b|a+c/ 8470 aaaaaac 8471 0: aaaac 8472 8473/aaaa(*:N)a(*SKIP:N)(*PRUNE)b|a+c/ 8474 aaaaaac 8475 0: aaaac 8476 8477# Putting THEN in front makes no difference. 8478 8479/aaaaa(*THEN)(*PRUNE)b|a+c/ 8480 aaaaaac 8481 0: aaaac 8482 8483# However, putting COMMIT in front of the prune changes it to "no match". I 8484# think this is inconsistent and possibly a bug. For the moment, running this 8485# test is moved out of the Perl-compatible file. 8486 8487/aaaaa(*COMMIT)(*PRUNE)b|a+c/ 8488 8489# OK, lets play the same game again using SKIP instead of PRUNE. 8490 8491# This matches "ac" because SKIP forces the next match to start on the 8492# sixth "a". 8493 8494/aaaaa(*SKIP)b|a+c/ 8495 aaaaaac 8496 0: ac 8497 8498# Putting PRUNE in front makes no difference. 8499 8500/aaaaa(*PRUNE)(*SKIP)b|a+c/ 8501 aaaaaac 8502 0: ac 8503 8504# Putting THEN in front makes no difference. 8505 8506/aaaaa(*THEN)(*SKIP)b|a+c/ 8507 aaaaaac 8508 0: ac 8509 8510# In this case, neither does COMMIT. This still matches "ac". 8511 8512/aaaaa(*COMMIT)(*SKIP)b|a+c/ 8513 aaaaaac 8514 0: ac 8515 8516# This gives "no match", as expected. 8517 8518/aaaaa(*COMMIT)b|a+c/ 8519\= Expect no match 8520 aaaaaac 8521No match 8522 8523# ---- Tests using THEN ---- 8524 8525# This matches "aaaaaac", as expected. 8526 8527/aaaaa(*THEN)b|a+c/ 8528 aaaaaac 8529 0: aaaaaac 8530 8531# Putting SKIP in front makes no difference. 8532 8533/aaaaa(*SKIP)(*THEN)b|a+c/ 8534 aaaaaac 8535 0: aaaaaac 8536 8537# Putting PRUNE in front makes no difference. 8538 8539/aaaaa(*PRUNE)(*THEN)b|a+c/ 8540 aaaaaac 8541 0: aaaaaac 8542 8543# Putting COMMIT in front makes no difference. 8544 8545/aaaaa(*COMMIT)(*THEN)b|a+c/ 8546 aaaaaac 8547 0: aaaaaac 8548 8549# End of "priority" tests 8550 8551/aaaaa(*:m)(*PRUNE:m)(*SKIP:m)m|a+/ 8552 aaaaaa 8553 0: a 8554 8555/aaaaa(*:m)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ 8556 aaaaaa 8557 0: a 8558 8559/aaaaa(*:n)(*PRUNE:m)(*SKIP:m)m|a+/ 8560 aaaaaa 8561 0: aaaa 8562 8563/aaaaa(*:n)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ 8564 aaaaaa 8565 0: a 8566 8567/a(*MARK:A)aa(*PRUNE:A)a(*SKIP:A)b|a+c/ 8568 aaaac 8569 0: aac 8570 8571/a(*MARK:A)aa(*MARK:A)a(*SKIP:A)b|a+c/ 8572 aaaac 8573 0: ac 8574 8575/aaa(*PRUNE:A)a(*SKIP:A)b|a+c/ 8576 aaaac 8577 0: aac 8578 8579/aaa(*MARK:A)a(*SKIP:A)b|a+c/ 8580 aaaac 8581 0: ac 8582 8583/a(*:m)a(*COMMIT)(*SKIP:m)b|a+c/mark 8584 aaaaaac 8585 0: ac 8586 8587/.?(a|b(*THEN)c)/ 8588 ba 8589 0: ba 8590 1: a 8591 8592/(a(*COMMIT)b)c|abd/ 8593 abc 8594 0: abc 8595 1: ab 8596\= Expect no match 8597 abd 8598No match 8599 8600/(?=a(*COMMIT)b)abc|abd/ 8601 abc 8602 0: abc 8603 abd 8604 0: abd 8605 8606/(?>a(*COMMIT)b)c|abd/ 8607 abc 8608 0: abc 8609 abd 8610 0: abd 8611 8612/a(?=b(*COMMIT)c)[^d]|abd/ 8613 abc 8614 0: ab 8615\= Expect no match 8616 abd 8617No match 8618 8619/a(?=bc).|abd/ 8620 abd 8621 0: abd 8622 abc 8623 0: ab 8624 8625/a(?>b(*COMMIT)c)d|abd/ 8626\= Expect no match 8627 abceabd 8628No match 8629 8630/a(?>bc)d|abd/ 8631 abceabd 8632 0: abd 8633 8634/(?>a(*COMMIT)b)c|abd/ 8635 abd 8636 0: abd 8637 8638/(?>a(*COMMIT)c)d|abd/ 8639\= Expect no match 8640 abd 8641No match 8642 8643/((?=a(*COMMIT)b)ab|ac){0}(?:(?1)|a(c))/ 8644 ac 8645 0: ac 8646 1: <unset> 8647 2: c 8648 8649# These tests were formerly in test 2, but changes in PCRE and Perl have 8650# made them compatible. 8651 8652/^(a)?(?(1)a|b)+$/ 8653\= Expect no match 8654 a 8655No match 8656 8657/A(*PRUNE:A)A+(*SKIP:A)(B|Z) | AC/x,mark 8658\= Expect no match 8659 AAAC 8660No match, mark = A 8661 8662/^((abc|abcx)(*THEN)y|abcd)/ 8663 abcd 8664 0: abcd 8665 1: abcd 8666\= Expect no match 8667 abcxy 8668No match 8669 8670/^((yes|no)(*THEN)(*F))?/ 8671\= Expect no match 8672 yes 8673No match 8674 8675/(A (.*) C? (*THEN) | A D) (*FAIL)/x 8676\= Expect no match 8677 AbcdCBefgBhiBqz 8678No match 8679 8680/(A (.*) C? (*THEN) | A D) z/x 8681\= Expect no match 8682 AbcdCBefgBhiBqz 8683No match 8684 8685/(A (.*) C? (*THEN) | A D) \s* (*FAIL)/x 8686\= Expect no match 8687 AbcdCBefgBhiBqz 8688No match 8689 8690/(A (.*) C? (*THEN) | A D) \s* z/x 8691\= Expect no match 8692 AbcdCBefgBhiBqz 8693No match 8694 8695/(A (.*) (?:C|) (*THEN) | A D) (*FAIL)/x 8696\= Expect no match 8697 AbcdCBefgBhiBqz 8698No match 8699 8700/(A (.*) (?:C|) (*THEN) | A D) z/x 8701\= Expect no match 8702 AbcdCBefgBhiBqz 8703No match 8704 8705/(A (.*) C{0,6} (*THEN) | A D) (*FAIL)/x 8706\= Expect no match 8707 AbcdCBefgBhiBqz 8708No match 8709 8710/(A (.*) C{0,6} (*THEN) | A D) z/x 8711\= Expect no match 8712 AbcdCBefgBhiBqz 8713No match 8714 8715/(A (.*) (CE){0,6} (*THEN) | A D) (*FAIL)/x 8716\= Expect no match 8717 AbcdCEBefgBhiBqz 8718No match 8719 8720/(A (.*) (CE){0,6} (*THEN) | A D) z/x 8721\= Expect no match 8722 AbcdCEBefgBhiBqz 8723No match 8724 8725/(A (.*) (CE*){0,6} (*THEN) | A D) (*FAIL)/x 8726\= Expect no match 8727 AbcdCBefgBhiBqz 8728No match 8729 8730/(A (.*) (CE*){0,6} (*THEN) | A D) z/x 8731\= Expect no match 8732 AbcdCBefgBhiBqz 8733No match 8734 8735/(?=a(*COMMIT)b|ac)ac|ac/ 8736\= Expect no match 8737 ac 8738No match 8739 8740/(?=a(*COMMIT)b|(ac)) ac | (a)c/x 8741\= Expect no match 8742 ac 8743No match 8744 8745# ---- 8746 8747/(?(?!b(*THEN)a)bn|bnn)/ 8748 bnn 8749 0: bn 8750 8751/(?!b(*SKIP)a)bn|bnn/ 8752 bnn 8753 0: bn 8754 8755/(?(?!b(*SKIP)a)bn|bnn)/ 8756 bnn 8757 0: bn 8758 8759/(?!b(*PRUNE)a)bn|bnn/ 8760 bnn 8761 0: bn 8762 8763/(?(?!b(*PRUNE)a)bn|bnn)/ 8764 bnn 8765 0: bn 8766 8767/(?!b(*COMMIT)a)bn|bnn/ 8768 bnn 8769 0: bn 8770 8771/(?(?!b(*COMMIT)a)bn|bnn)/ 8772 bnn 8773 0: bn 8774 8775/(?=b(*SKIP)a)bn|bnn/ 8776\= Expect no match 8777 bnn 8778No match 8779 8780/(?=b(*THEN)a)bn|bnn/ 8781 bnn 8782 0: bnn 8783 8784/^(?!a(*SKIP)b)/ 8785 ac 8786 0: 8787 8788/^(?!a(*SKIP)b)../ 8789 acd 8790 0: ac 8791 8792/(?!a(*SKIP)b)../ 8793 acd 8794 0: ac 8795 8796/^(?(?!a(*SKIP)b))/ 8797 ac 8798 0: 8799 8800/^(?!a(*PRUNE)b)../ 8801 acd 8802 0: ac 8803 8804/(?!a(*PRUNE)b)../ 8805 acd 8806 0: ac 8807 8808/(?!a(*COMMIT)b)ac|cd/ 8809 ac 8810 0: ac 8811 8812/\A.*?(?:a|bc)/ 8813 ba 8814 0: ba 8815 8816/^(A(*THEN)B|C(*THEN)D)/ 8817 CD 8818 0: CD 8819 1: CD 8820 8821/(*:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8822 abc 8823 0: b 8824MK: m(m 8825 8826/(*PRUNE:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8827 abc 8828 0: b 8829MK: m(m 8830 8831/(*SKIP:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8832 abc 8833 0: b 8834 8835/(*THEN:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8836 abc 8837 0: b 8838MK: m(m 8839 8840/^\d*\w{4}/ 8841 1234 8842 0: 1234 8843\= Expect no match 8844 123 8845No match 8846 8847/^[^b]*\w{4}/ 8848 aaaa 8849 0: aaaa 8850\= Expect no match 8851 aaa 8852No match 8853 8854/^[^b]*\w{4}/i 8855 aaaa 8856 0: aaaa 8857\= Expect no match 8858 aaa 8859No match 8860 8861/^a*\w{4}/ 8862 aaaa 8863 0: aaaa 8864\= Expect no match 8865 aaa 8866No match 8867 8868/^a*\w{4}/i 8869 aaaa 8870 0: aaaa 8871\= Expect no match 8872 aaa 8873No match 8874 8875/(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames 8876 foofoo 8877 0: foofoo 8878 1: foo 8879 barbar 8880 0: barbar 8881 1: <unset> 8882 2: bar 8883 8884/(?<n>A)(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames 8885 AfooA 8886 0: AfooA 8887 1: A 8888 2: foo 8889 AbarA 8890 0: AbarA 8891 1: A 8892 2: <unset> 8893 3: bar 8894\= Expect no match 8895 Afoofoo 8896No match 8897 Abarbar 8898No match 8899 8900/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ 8901 1 IN SOA non-sp1 non-sp2( 8902 0: 1 IN SOA non-sp1 non-sp2( 8903 1: 1 8904 2: non-sp1 8905 3: non-sp2 8906 8907/^ (?:(?<A>A)|(?'B'B)(?<A>A)) (?('A')x) (?(<B>)y)$/x,dupnames 8908 Ax 8909 0: Ax 8910 1: A 8911 BAxy 8912 0: BAxy 8913 1: <unset> 8914 2: B 8915 3: A 8916 8917/^A\xZ/ 8918 A\0Z 8919 0: A\x00Z 8920 8921/^A\o{123}B/ 8922 A\123B 8923 0: ASB 8924 8925/ ^ a + + b $ /x 8926 aaaab 8927 0: aaaab 8928 8929/ ^ a + #comment 8930 + b $ /x 8931 aaaab 8932 0: aaaab 8933 8934/ ^ a + #comment 8935 #comment 8936 + b $ /x 8937 aaaab 8938 0: aaaab 8939 8940/ ^ (?> a + ) b $ /x 8941 aaaab 8942 0: aaaab 8943 8944/ ^ ( a + ) + + \w $ /x 8945 aaaab 8946 0: aaaab 8947 1: aaaa 8948 8949/(?:a\Kb)*+/aftertext 8950 ababc 8951 0: b 8952 0+ c 8953 8954/(?>a\Kb)*/aftertext 8955 ababc 8956 0: b 8957 0+ c 8958 8959/(?:a\Kb)*/aftertext 8960 ababc 8961 0: b 8962 0+ c 8963 8964/(a\Kb)*+/aftertext 8965 ababc 8966 0: b 8967 0+ c 8968 1: ab 8969 8970/(a\Kb)*/aftertext 8971 ababc 8972 0: b 8973 0+ c 8974 1: ab 8975 8976/(?:x|(?:(xx|yy)+|x|x|x|x|x)|a|a|a)bc/ 8977\= Expect no match 8978 acb 8979No match 8980 8981/\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++/ 8982 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 8983 0: NON QUOTED "QUOT""ED" AFTER 8984 8985/\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++/ 8986 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 8987 0: NON QUOTED "QUOT""ED" AFTER 8988 8989/\A(?:[^\"]++|\"(?:[^\"]++|\"\")++\")++/ 8990 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 8991 0: NON QUOTED "QUOT""ED" AFTER 8992 8993/\A([^\"1]++|[\"2]([^\"3]*+|[\"4][\"5])*+[\"6])++/ 8994 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 8995 0: NON QUOTED "QUOT""ED" AFTER 8996 1: AFTER 8997 2: 8998 8999/^\w+(?>\s*)(?<=\w)/ 9000 test test 9001 0: tes 9002 9003/(?P<same>a)(?P<same>b)/g,dupnames 9004 abbaba 9005 0: ab 9006 1: a 9007 2: b 9008 0: ab 9009 1: a 9010 2: b 9011 9012/(?P<same>a)(?P<same>b)(?P=same)/g,dupnames 9013 abbaba 9014 0: aba 9015 1: a 9016 2: b 9017 9018/(?P=same)?(?P<same>a)(?P<same>b)/g,dupnames 9019 abbaba 9020 0: ab 9021 1: a 9022 2: b 9023 0: ab 9024 1: a 9025 2: b 9026 9027/(?:(?P=same)?(?:(?P<same>a)|(?P<same>b))(?P=same))+/g,dupnames 9028 bbbaaabaabb 9029 0: bbbaaaba 9030 1: a 9031 2: b 9032 0: bb 9033 1: <unset> 9034 2: b 9035 9036/(?:(?P=same)?(?:(?P=same)(?P<same>a)(?P=same)|(?P=same)?(?P<same>b)(?P=same)){2}(?P=same)(?P<same>c)(?P=same)){2}(?P<same>z)?/g,dupnames 9037\= Expect no match 9038 bbbaaaccccaaabbbcc 9039No match 9040 9041/(?P<Name>a)?(?P<Name2>b)?(?(<Name>)c|d)*l/ 9042 acl 9043 0: acl 9044 1: a 9045 bdl 9046 0: bdl 9047 1: <unset> 9048 2: b 9049 adl 9050 0: dl 9051 bcl 9052 0: l 9053 9054/\sabc/ 9055 \x{0b}abc 9056 0: \x0babc 9057 9058/[\Qa]\E]+/ 9059 aa]] 9060 0: aa]] 9061 9062/[\Q]a\E]+/ 9063 aa]] 9064 0: aa]] 9065 9066/A((((((((a))))))))\8B/ 9067 AaaB 9068 0: AaaB 9069 1: a 9070 2: a 9071 3: a 9072 4: a 9073 5: a 9074 6: a 9075 7: a 9076 8: a 9077 9078/A(((((((((a)))))))))\9B/ 9079 AaaB 9080 0: AaaB 9081 1: a 9082 2: a 9083 3: a 9084 4: a 9085 5: a 9086 6: a 9087 7: a 9088 8: a 9089 9: a 9090 9091/A[\8\9]B/ 9092 A8B 9093 0: A8B 9094 A9B 9095 0: A9B 9096 9097/(|ab)*?d/ 9098 abd 9099 0: abd 9100 1: ab 9101 xyd 9102 0: d 9103 9104/(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ 9105 1234abcd 9106 0: 9107 1: <unset> 9108 2: <unset> 9109 3: <unset> 9110 4: <unset> 9111 5: 9112 9113/(\2|a)(\1)/ 9114 aaa 9115 0: aa 9116 1: a 9117 2: a 9118 9119/(\2)(\1)/ 9120 9121/Z*(|d*){216}/ 9122 9123/(?1)(?#?'){8}(a)/ 9124 baaaaaaaaac 9125 0: aaaaaaaaa 9126 1: a 9127 9128/((((((((((((x))))))))))))\12/ 9129 xx 9130 0: xx 9131 1: x 9132 2: x 9133 3: x 9134 4: x 9135 5: x 9136 6: x 9137 7: x 9138 8: x 9139 9: x 914010: x 914111: x 914212: x 9143 9144/A[\8]B[\9]C/ 9145 A8B9C 9146 0: A8B9C 9147 9148/(?1)()((((((\1++))\x85)+)|))/ 9149 \x85\x85 9150 0: \x85\x85 9151 1: 9152 2: \x85\x85 9153 3: \x85\x85 9154 4: \x85\x85 9155 5: \x85 9156 6: 9157 7: 9158 9159/(?|(\k'Pm')|(?'Pm'))/ 9160 abcd 9161 0: 9162 1: 9163 9164/(?|(aaa)|(b))\g{1}/ 9165 aaaaaa 9166 0: aaaaaa 9167 1: aaa 9168 bb 9169 0: bb 9170 1: b 9171 9172/(?|(aaa)|(b))(?1)/ 9173 aaaaaa 9174 0: aaaaaa 9175 1: aaa 9176 baaa 9177 0: baaa 9178 1: b 9179\= Expect no match 9180 bb 9181No match 9182 9183/(?|(aaa)|(b))/ 9184 xaaa 9185 0: aaa 9186 1: aaa 9187 xbc 9188 0: b 9189 1: b 9190 9191/(?|(?'a'aaa)|(?'a'b))\k'a'/ 9192 aaaaaa 9193 0: aaaaaa 9194 1: aaa 9195 bb 9196 0: bb 9197 1: b 9198 9199/(?|(?'a'aaa)|(?'a'b))(?'a'cccc)\k'a'/dupnames 9200 aaaccccaaa 9201 0: aaaccccaaa 9202 1: aaa 9203 2: cccc 9204 bccccb 9205 0: bccccb 9206 1: b 9207 2: cccc 9208 9209# /x does not apply to MARK labels 9210 9211/x (*MARK:ab cd # comment 9212ef) x/x,mark 9213 axxz 9214 0: xx 9215MK: ab cd # comment\x0aef 9216 9217/(?<=a(B){0}c)X/ 9218 acX 9219 0: X 9220 9221/(?<DEFINE>b)(?(DEFINE)(a+))(?&DEFINE)/ 9222 bbbb 9223 0: bb 9224 1: b 9225\= Expect no match 9226 baaab 9227No match 9228 9229/(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/ 9230 \ Fred:099 9231 0: 9232 9233/(?=.*X)X$/ 9234 \ X 9235 0: X 9236 9237/(?s)(?=.*?)b/ 9238 aabc 9239 0: b 9240 9241/(Z)(a)\2{1,2}?(?-i)\1X/i 9242 ZaAAZX 9243 0: ZaAAZX 9244 1: Z 9245 2: a 9246 9247/(?'c')XX(?'YYYYYYYYYYYYYYYYYYYYYYYCl')/ 9248 9249/[s[:digit:]\E-H]+/ 9250 s09-H 9251 0: s09-H 9252 9253/[s[:digit:]\Q\E-H]+/ 9254 s09-H 9255 0: s09-H 9256 9257/a+(?:|b)a/ 9258 aaaa 9259 0: aaaa 9260 9261/X?(R||){3335}/ 9262 9263/(?1)(A(*COMMIT)|B)D/ 9264 ABD 9265 0: ABD 9266 1: B 9267 XABD 9268 0: ABD 9269 1: B 9270 BAD 9271 0: BAD 9272 1: A 9273 ABXABD 9274 0: ABD 9275 1: B 9276\= Expect no match 9277 ABX 9278No match 9279 9280/(?(DEFINE)(?<m> 1? (?=(?<cond>2)?) 1 2 (?('cond')|3))) 9281 \A 9282 () 9283 (?&m) 9284 \Z/x 9285 123 9286 0: 123 9287 1: <unset> 9288 2: <unset> 9289 3: 9290 9291/^(?: 9292(?: A| (1? (?=(?<cond>2)?) (1) 2 (?('cond')|3)) ) 9293(Z) 9294)+$/x 9295 AZ123Z 9296 0: AZ123Z 9297 1: 123 9298 2: <unset> 9299 3: 1 9300 4: Z 9301\= Expect no match 9302 AZ12Z 9303No match 9304 9305/^ (?(DEFINE) ( (?!(a)\2b)..) ) ()(?1) /x 9306 acb 9307 0: ac 9308 1: <unset> 9309 2: <unset> 9310 3: 9311\= Expect no match 9312 aab 9313No match 9314 9315/(?>ab|abab){1,5}?M/ 9316 abababababababababababM 9317 0: abababababM 9318 9319/(?>ab|abab){2}?M/ 9320 abababM 9321 0: ababM 9322 9323/((?(?=(a))a)+k)/ 9324 bbak 9325 0: ak 9326 1: ak 9327 2: a 9328 9329/((?(?=(a))a|)+k)/ 9330 bbak 9331 0: ak 9332 1: ak 9333 2: a 9334 9335/(?(?!(b))a|b)+k/ 9336 ababbalbbadabak 9337 0: abak 9338 1: b 9339 9340/(?!(b))c|b/ 9341 Ab 9342 0: b 9343 Ac 9344 0: c 9345 9346/(?=(b))b|c/ 9347 Ab 9348 0: b 9349 1: b 9350 Ac 9351 0: c 9352 9353/^(.|(.)(?1)\2)$/ 9354 a 9355 0: a 9356 1: a 9357 aba 9358 0: aba 9359 1: aba 9360 2: a 9361 abcba 9362 0: abcba 9363 1: abcba 9364 2: a 9365 ababa 9366 0: ababa 9367 1: ababa 9368 2: a 9369 abcdcba 9370 0: abcdcba 9371 1: abcdcba 9372 2: a 9373 9374/^((.)(?1)\2|.?)$/ 9375 a 9376 0: a 9377 1: a 9378 aba 9379 0: aba 9380 1: aba 9381 2: a 9382 abba 9383 0: abba 9384 1: abba 9385 2: a 9386 abcba 9387 0: abcba 9388 1: abcba 9389 2: a 9390 ababa 9391 0: ababa 9392 1: ababa 9393 2: a 9394 abccba 9395 0: abccba 9396 1: abccba 9397 2: a 9398 abcdcba 9399 0: abcdcba 9400 1: abcdcba 9401 2: a 9402 abcddcba 9403 0: abcddcba 9404 1: abcddcba 9405 2: a 9406 9407/^(.)(\1|a(?2))/ 9408 bab 9409 0: bab 9410 1: b 9411 2: ab 9412 9413/^(.|(.)(?1)?\2)$/ 9414 abcba 9415 0: abcba 9416 1: abcba 9417 2: a 9418 9419/^(?(?=(a))abc|def)/ 9420 abc 9421 0: abc 9422 1: a 9423 9424/^(?(?!(a))def|abc)/ 9425 abc 9426 0: abc 9427 1: a 9428 9429/^(?(?=(a)(*ACCEPT))abc|def)/ 9430 abc 9431 0: abc 9432 1: a 9433 9434/^(?(?!(a)(*ACCEPT))def|abc)/ 9435 abc 9436 0: abc 9437 1: a 9438 9439/^(?1)\d{3}(a)/ 9440 a123a 9441 0: a123a 9442 1: a 9443 9444# This pattern uses a lot of named subpatterns in order to match email 9445# addresses in various formats. It's a heavy test for named subpatterns. In the 9446# <atext> group, slash is coded as \x{2f} so that this pattern can also be 9447# processed by perltest.sh, which does not cater for an escaped delimiter 9448# within the pattern. $ within the pattern must also be escaped. All $ and @ 9449# characters in subject strings are escaped so that Perl doesn't interpret them 9450# as variable insertions and " characters must also be escaped for Perl. 9451 9452# This set of subpatterns is more or less a direct transliteration of the BNF 9453# definitions in RFC2822, without any of the obsolete features. The addition of 9454# a possessive + to the definition of <phrase> reduced the match limit in PCRE2 9455# from over 5 million to just under 400, and eliminated a very noticeable delay 9456# when this file was passed to perltest.sh. 9457 9458/(?ix)(?(DEFINE) 9459(?<addr_spec> (?&local_part) \@ (?&domain) ) 9460(?<angle_addr> (?&CFWS)?+ < (?&addr_spec) > (?&CFWS)?+ ) 9461(?<atext> [a-z\d!#\$%&'*+-\x{2f}=?^_`{|}~] ) 9462(?<atom> (?&CFWS)?+ (?&atext)+ (?&CFWS)?+ ) 9463(?<ccontent> (?&ctext) | (?"ed_pair) | (?&comment) ) 9464(?<ctext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ ()\\] ) 9465(?<comment> \( (?: (?&FWS)?+ (?&ccontent) )*+ (?&FWS)?+ \) ) 9466(?<CFWS> (?: (?&FWS)?+ (?&comment) )* (?# NOT possessive) 9467 (?: (?&FWS)?+ (?&comment) | (?&FWS) ) ) 9468(?<dcontent> (?&dtext) | (?"ed_pair) ) 9469(?<display_name> (?&phrase) ) 9470(?<domain> (?&dot_atom) | (?&domain_literal) ) 9471(?<domain_literal> (?&CFWS)?+ \[ (?: (?&FWS)?+ (?&dcontent) )* (?&FWS)?+ \] 9472 (?&CFWS)?+ ) 9473(?<dot_atom> (?&CFWS)?+ (?&dot_atom_text) (?&CFWS)?+ ) 9474(?<dot_atom_text> (?&atext)++ (?: \. (?&atext)++)*+ ) 9475(?<dtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ \[\]\\] ) 9476(?<FWS> (?: [\t\ ]*+ \n)?+ [\t\ ]++ ) 9477(?<local_part> (?&dot_atom) | (?"ed_string) ) 9478(?<mailbox> (?&name_addr) | (?&addr_spec) ) 9479(?<name_addr> (?&display_name)? (?&angle_addr) ) 9480(?<phrase> (?&word)++ ) 9481(?<qcontent> (?&qtext) | (?"ed_pair) ) 9482(?<quoted_pair> " (?&text) ) 9483(?<quoted_string> (?&CFWS)?+ " (?: (?&FWS)?+ (?&qcontent))* (?&FWS)?+ " 9484 (?&CFWS)?+ ) 9485(?<qtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ "\\] ) 9486(?<text> [^\r\n] ) 9487(?<word> (?&atom) | (?"ed_string) ) 9488) # End DEFINE 9489^(?&mailbox)$/ 9490 Alan Other <user\@dom.ain> 9491 0: Alan Other <user@dom.ain> 9492 <user\@dom.ain> 9493 0: <user@dom.ain> 9494 user\@dom.ain 9495 0: user@dom.ain 9496 user\@[] 9497 0: user@[] 9498 user\@[domain literal] 9499 0: user@[domain literal] 9500 user\@[domain literal with \"[square brackets\"] inside] 9501 0: user@[domain literal with "[square brackets"] inside] 9502 \"A. Other\" <user.1234\@dom.ain> (a comment) 9503 0: "A. Other" <user.1234@dom.ain> (a comment) 9504 A. Other <user.1234\@dom.ain> (a comment) 9505 0: A. Other <user.1234@dom.ain> (a comment) 9506 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 9507 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 9508\= Expect no match 9509 A missing angle <user\@some.where 9510No match 9511 The quick brown fox 9512No match 9513 9514# -------------------------------------------------------------------------- 9515 9516# This pattern uses named groups to match default PCRE2 patterns. It's another 9517# heavy test for named subpatterns. Once again, code slash as \x{2f} and escape 9518# $ even in classes so that this works with pcre2test. 9519 9520/(?sx)(?(DEFINE) 9521 9522(?<assertion> (?&simple_assertion) | (?&lookaround) ) 9523 9524(?<atomic_group> \( \? > (?®ex) \) ) 9525 9526(?<back_reference> \\ \d+ | 9527 \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | 9528 \\k <(?&groupname)> | 9529 \\k '(?&groupname)' | 9530 \\k \{ (?&groupname) \} | 9531 \( \? P= (?&groupname) \) ) 9532 9533(?<branch> (?:(?&assertion) | 9534 (?&callout) | 9535 (?&comment) | 9536 (?&option_setting) | 9537 (?&qualified_item) | 9538 (?"ed_string) | 9539 (?"ed_string_empty) | 9540 (?&special_escape) | 9541 (?&verb) 9542 )* ) 9543 9544(?<callout> \(\?C (?: \d+ | 9545 (?: (?<D>["'`^%\#\$]) 9546 (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | 9547 \{ (?: \}\} | [^}]*+ )* \} ) 9548 )? \) ) 9549 9550(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? 9551 (?®ex) \) ) 9552 9553(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] ) 9554 9555(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] ) 9556 9557(?<class_item> (?: \[ : (?: 9558 alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| 9559 punct|space|upper|word|xdigit 9560 ) : \] | 9561 (?"ed_string) | 9562 (?"ed_string_empty) | 9563 (?&escaped_character) | 9564 (?&character_type) | 9565 [^]] ) ) 9566 9567(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E ) 9568 9569(?<condition> (?: \( [+-]? \d+ \) | 9570 \( < (?&groupname) > \) | 9571 \( ' (?&groupname) ' \) | 9572 \( R \d* \) | 9573 \( R & (?&groupname) \) | 9574 \( (?&groupname) \) | 9575 \( DEFINE \) | 9576 \( VERSION >?=\d+(?:\.\d\d?)? \) | 9577 (?&callout)?+ (?&comment)* (?&lookaround) ) ) 9578 9579(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) ) 9580 9581(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) 9582 \k'delimiter' .* ) 9583 9584(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | 9585 x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | 9586 [aefnrt] | c[[:print:]] | 9587 [^[:alnum:]] ) ) 9588 9589(?<group> (?&capturing_group) | (?&non_capturing_group) | 9590 (?&resetting_group) | (?&atomic_group) | 9591 (?&conditional_group) ) 9592 9593(?<groupname> [a-zA-Z_]\w* ) 9594 9595(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] ) 9596 9597(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) ) 9598 9599(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) ) 9600 9601(?<option_setting> \(\? [iJmnsUx-]* \) ) 9602 9603(?<qualified_item> (?:\. | 9604 (?&lookaround) | 9605 (?&back_reference) | 9606 (?&character_class) | 9607 (?&character_type) | 9608 (?&escaped_character) | 9609 (?&group) | 9610 (?&subroutine_call) | 9611 (?&literal_character) | 9612 (?"ed_string) 9613 ) (?&comment)? (?&qualifier)? ) 9614 9615(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? ) 9616 9617(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) 9618 9619(?<quoted_string_empty> \\Q\\E ) 9620 9621(?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} ) 9622 9623(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* ) 9624 9625(?<resetting_group> \( \? \| (?®ex) \) ) 9626 9627(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z ) 9628 9629(?<special_escape> \\K ) 9630 9631(?<start_item> \( \* (?: 9632 ANY | 9633 ANYCRLF | 9634 BSR_ANYCRLF | 9635 BSR_UNICODE | 9636 CR | 9637 CRLF | 9638 LF | 9639 LIMIT_MATCH=\d+ | 9640 LIMIT_DEPTH=\d+ | 9641 LIMIT_HEAP=\d+ | 9642 NOTEMPTY | 9643 NOTEMPTY_ATSTART | 9644 NO_AUTO_POSSESS | 9645 NO_DOTSTAR_ANCHOR | 9646 NO_JIT | 9647 NO_START_OPT | 9648 NUL | 9649 UTF | 9650 UCP ) \) ) 9651 9652(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | 9653 \(\? (?: & | P> ) (?&groupname) \) | 9654 \\g < (?&groupname) > | 9655 \\g ' (?&groupname) ' | 9656 \\g < [+-]? \d+ > | 9657 \\g ' [+-]? \d+ ) ) 9658 9659(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | 9660 (?:MARK)?:(?&verbname) | 9661 (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) ) 9662 9663(?<verbname> [^)]+ ) 9664 9665) # End DEFINE 9666# Kick it all off... 9667^(?&delimited_regex)$/subject_literal,jitstack=256 9668 /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ 9669 0: /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ 9670 /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ 9671 0: /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ 9672 /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ 9673 0: /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ 9674 /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ 9675 0: /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ 9676 /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is 9677 0: /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is 9678 /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) / 9679 0: /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) / 9680 /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ 9681 0: /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ 9682 /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ 9683 0: /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ 9684 /^(\w++|\s++)*$/ 9685 0: /^(\w++|\s++)*$/ 9686 /a+b?(*THEN)c+(*FAIL)/ 9687 0: /a+b?(*THEN)c+(*FAIL)/ 9688 /(A (A|B(*ACCEPT)|C) D)(E)/x 9689 0: /(A (A|B(*ACCEPT)|C) D)(E)/x 9690 /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i 9691 0: /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i 9692 /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B 9693 0: /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B 9694 /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info 9695 0: /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info 9696 /(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/ 9697 0: /(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/ 9698\= Expect no match 9699 /((?(?C'')\QX\E(?!((?(?C'')(?!X=X));=)r*X=X));=)/ 9700No match 9701 /(?:(?(2y)a|b)(X))+/ 9702No match 9703 /a(*MARK)b/ 9704No match 9705 /a(*CR)b/ 9706No match 9707 /(?P<abn>(?P=abn)(?<badstufxxx)/ 9708No match 9709 9710# -------------------------------------------------------------------------- 9711 9712/<(?x:[a b])>/xx 9713 < > 9714 0: < > 9715 9716/<(?:[a b])>/xx 9717 < > 9718No match 9719 9720/<(?xxx:[a b])>/ 9721 < > 9722No match 9723 9724/<(?-x:[a b])>/xx 9725 < > 9726 0: < > 9727 9728/[[:digit:]-]+/ 9729 12-24 9730 0: 12-24 9731 9732/((?<=((*ACCEPT)) )\1?\b) / 9733\= Expect no match 9734 ((?<=((*ACCEPT)) )\\1?\\b)\x20 9735No match 9736 9737/((?<=((*ACCEPT))X)\1?Y)\1/ 9738 XYYZ 9739 0: YY 9740 1: Y 9741 2: 9742 9743/((?<=((*ACCEPT))X)\1?Y(*ACCEPT))\1/ 9744 XYYZ 9745 0: Y 9746 1: Y 9747 2: 9748 9749/(?(DEFINE)(?<optional_a>a?)X)^(?&optional_a)a$/ 9750 aa 9751 0: aa 9752 a 9753 0: a 9754 9755/^(a?)b(?1)a/ 9756 abaa 9757 0: abaa 9758 1: a 9759 aba 9760 0: aba 9761 1: a 9762 baa 9763 0: baa 9764 1: 9765 ba 9766 0: ba 9767 1: 9768 9769/^(a?)+b(?1)a/ 9770 abaa 9771 0: abaa 9772 1: 9773 aba 9774 0: aba 9775 1: 9776 baa 9777 0: baa 9778 1: 9779 ba 9780 0: ba 9781 1: 9782 9783/^(a?)++b(?1)a/ 9784 abaa 9785 0: abaa 9786 1: 9787 aba 9788 0: aba 9789 1: 9790 baa 9791 0: baa 9792 1: 9793 ba 9794 0: ba 9795 1: 9796 9797/^(a?)+b/ 9798 b 9799 0: b 9800 1: 9801 ab 9802 0: ab 9803 1: 9804 aaab 9805 0: aaab 9806 1: 9807 9808/(?=a+)a(a+)++b/ 9809 aab 9810 0: aab 9811 1: a 9812 9813/(?<=\G.)/g,aftertext 9814 abc 9815 0: 9816 0+ bc 9817 0: 9818 0+ c 9819 0: 9820 0+ 9821 9822/(?<=(?=.)?)/ 9823 9824/(?<=(?=.)?+)/ 9825 9826/(?<=(?=.)*)/ 9827 9828/(?<=(?=.){4,5})/ 9829 9830/(?<=(?=.){4,5}x)/ 9831 9832/a(?=.(*:X))(*SKIP:X)(*F)|(.)/ 9833 abc 9834 0: a 9835 1: a 9836 9837/a(?>(*:X))(*SKIP:X)(*F)|(.)/ 9838 abc 9839 0: a 9840 1: a 9841 9842/a(?:(*:X))(*SKIP:X)(*F)|(.)/ 9843 abc 9844 0: b 9845 1: b 9846 9847#pattern no_start_optimize 9848 9849/(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/ 9850 abc 9851 0: abc 9852 9853/(?>a(*:1))(?>b)(*SKIP:1)x|.*/ 9854 abc 9855 0: abc 9856 9857#subject mark 9858 9859/a(*ACCEPT:X)b/ 9860 abc 9861 0: a 9862MK: X 9863 9864/(?=a(*ACCEPT:QQ)bc)axyz/ 9865 axyz 9866 0: axyz 9867MK: QQ 9868 9869/(?(DEFINE)(a(*ACCEPT:X)))(?1)b/ 9870 abc 9871 0: ab 9872MK: X 9873 9874/a(*F:X)b/ 9875 abc 9876No match, mark = X 9877 9878/(?(DEFINE)(a(*F:X)))(?1)b/ 9879 abc 9880No match, mark = X 9881 9882/a(*COMMIT:X)b/ 9883 abc 9884 0: ab 9885MK: X 9886 9887/(?(DEFINE)(a(*COMMIT:X)))(?1)b/ 9888 abc 9889 0: ab 9890MK: X 9891 9892/a+(*:Z)b(*COMMIT:X)(*SKIP:Z)c|.*/ 9893 aaaabd 9894 0: bd 9895 9896/a+(*:Z)b(*COMMIT:X)(*SKIP:X)c|.*/ 9897 aaaabd 9898No match, mark = X 9899 9900/a(*COMMIT:X)b/ 9901 axabc 9902No match, mark = X 9903 9904#pattern -no_start_optimize 9905#subject -mark 9906 9907/(.COMMIT)(*COMMIT::::::::::interal error:::)/ 9908 9909/(*COMMIT:��)/ 9910 9911/(*COMMIT:]w)/ 9912 9913/(?i)A(?^)B(?^x:C D)(?^i)e f/ 9914 aBCDE F 9915 0: aBCDE F 9916\= Expect no match 9917 aBCDEF 9918No match 9919 AbCDe f 9920No match 9921 9922/(*pla:foo).{6}/ 9923 abcfoobarxyz 9924 0: foobar 9925\= Expect no match 9926 abcfooba 9927No match 9928 9929/(*positive_lookahead:foo).{6}/ 9930 abcfoobarxyz 9931 0: foobar 9932 9933/(?(*pla:foo).{6}|a..)/ 9934 foobarbaz 9935 0: foobar 9936 abcfoobar 9937 0: abc 9938 9939/(?(*positive_lookahead:foo).{6}|a..)/ 9940 foobarbaz 9941 0: foobar 9942 abcfoobar 9943 0: abc 9944 9945/(*plb:foo)bar/ 9946 abcfoobar 9947 0: bar 9948\= Expect no match 9949 abcbarfoo 9950No match 9951 9952/(*positive_lookbehind:foo)bar/ 9953 abcfoobar 9954 0: bar 9955\= Expect no match 9956 abcbarfoo 9957No match 9958 9959/(?(*plb:foo)bar|baz)/ 9960 abcfoobar 9961 0: bar 9962 bazfoobar 9963 0: baz 9964 abcbazfoobar 9965 0: baz 9966 foobazfoobar 9967 0: bar 9968 9969/(?(*positive_lookbehind:foo)bar|baz)/ 9970 abcfoobar 9971 0: bar 9972 bazfoobar 9973 0: baz 9974 abcbazfoobar 9975 0: baz 9976 foobazfoobar 9977 0: bar 9978 9979/(*nlb:foo)bar/ 9980 abcbarfoo 9981 0: bar 9982\= Expect no match 9983 abcfoobar 9984No match 9985 9986/(*negative_lookbehind:foo)bar/ 9987 abcbarfoo 9988 0: bar 9989\= Expect no match 9990 abcfoobar 9991No match 9992 9993/(?(*nlb:foo)bar|baz)/ 9994 abcfoobaz 9995 0: baz 9996 abcbarbaz 9997 0: bar 9998\= Expect no match 9999 abcfoobar 10000No match 10001 10002/(?(*negative_lookbehind:foo)bar|baz)/ 10003 abcfoobaz 10004 0: baz 10005 abcbarbaz 10006 0: bar 10007\= Expect no match 10008 abcfoobar 10009No match 10010 10011/(*atomic:a+)\w/ 10012 aaab 10013 0: aaab 10014\= Expect no match 10015 aaaa 10016No match 10017 10018/ (?<word> \w+ )* \. /xi 10019 pokus. 10020 0: pokus. 10021 1: pokus 10022 10023/(?(DEFINE) (?<word> \w+ ) ) (?&word)* \./xi 10024 pokus. 10025 0: pokus. 10026 10027/(?(DEFINE) (?<word> \w+ ) ) ( (?&word)* ) \./xi 10028 pokus. 10029 0: pokus. 10030 1: <unset> 10031 2: pokus 10032 10033/(?&word)* (?(DEFINE) (?<word> \w+ ) ) \./xi 10034 pokus. 10035 0: pokus. 10036 10037/(?&word)* \. (?<word> \w+ )/xi 10038 pokus.hokus 10039 0: pokus.hokus 10040 1: hokus 10041 10042/a(?(?=(*:2)b).)/mark 10043 abc 10044 0: ab 10045MK: 2 10046 acb 10047 0: a 10048 10049/a(?(?!(*:2)b).)/mark 10050 acb 10051 0: ac 10052 abc 10053 0: a 10054MK: 2 10055 10056/(?:a|ab){1}+c/ 10057\= Expect no match 10058 abc 10059No match 10060 10061/(a|ab){1}+c/ 10062 abc 10063No match 10064 10065/(a+){1}+a/ 10066\= Expect no match 10067 aaaa 10068No match 10069 10070/(?(DEFINE)(a|ab))(?1){1}+c/ 10071 abc 10072No match 10073 10074/(?:a|(?=b)|.)*\z/ 10075 abc 10076 0: abc 10077 10078/(?:a|(?=b)|.)*/ 10079 abc 10080 0: a 10081 10082/(?<=a(*SKIP)x)|c/ 10083 abcd 10084No match 10085 10086/(?<=a(*SKIP)x)|d/ 10087 abcd 10088 0: d 10089 10090/(?<=(?=.(?<=x)))/aftertext 10091 abx 10092 0: 10093 0+ x 10094 10095/(?<=(?=(?<=a)))b/ 10096 ab 10097 0: b 10098 10099/^(?<A>a)(?(<A>)b)((?<=b).*)$/ 10100 abc 10101 0: abc 10102 1: a 10103 2: c 10104 10105/^(a\1?){4}$/ 10106 aaaa 10107 0: aaaa 10108 1: a 10109 aaaaaa 10110 0: aaaaaa 10111 1: aa 10112 10113/^((\1+)|\d)+133X$/ 10114 111133X 10115 0: 111133X 10116 1: 11 10117 2: 11 10118 10119/^(?=.*(?=(([A-Z]).*(?(1)\1)))(?!.+\2)){26}/i 10120 The quick brown fox jumps over the lazy dog. 10121 0: 10122 1: quick brown fox jumps over the lazy dog. 10123 2: q 10124 Jackdaws love my big sphinx of quartz. 10125 0: 10126 1: Jackdaws love my big sphinx of quartz. 10127 2: J 10128 Pack my box with five dozen liquor jugs. 10129 0: 10130 1: Pack my box with five dozen liquor jugs. 10131 2: P 10132\= Expect no match 10133 The quick brown fox jumps over the lazy cat. 10134No match 10135 Hackdaws love my big sphinx of quartz. 10136No match 10137 Pack my fox with five dozen liquor jugs. 10138No match 10139 10140/^(?>.*?([A-Z])(?!.*\1)){26}/i 10141 The quick brown fox jumps over the lazy dog. 10142 0: The quick brown fox jumps over the lazy dog 10143 1: g 10144 Jackdaws love my big sphinx of quartz. 10145 0: Jackdaws love my big sphinx of quartz 10146 1: z 10147 Pack my box with five dozen liquor jugs. 10148 0: Pack my box with five dozen liquor jugs 10149 1: s 10150\= Expect no match 10151 The quick brown fox jumps over the lazy cat. 10152No match 10153 Hackdaws love my big sphinx of quartz. 10154No match 10155 Pack my fox with five dozen liquor jugs. 10156No match 10157 10158/(?<=X(?(DEFINE)(A)))X(*F)/ 10159\= Expect no match 10160 AXYZ 10161No match 10162 10163/(?<=X(?(DEFINE)(A)))./ 10164 AXYZ 10165 0: Y 10166 10167/(?<=X(?(DEFINE)(.*))Y)./ 10168 AXYZ 10169 0: Z 10170 10171/(?<=X(?(DEFINE)(Y))(?1))./ 10172 AXYZ 10173 0: Z 10174 10175/(?(DEFINE)(?<foo>bar))(?<![-a-z0-9])word/ 10176 word 10177 0: word 10178 10179# End of testinput1 10180
