Lines Matching full:are
8 regular expressions. The differences described here are with respect to Perl
9 versions 5.26, but as both Perl and PCRE2 are continually changing, the
13 have are given in the
21 that the next three characters are not "a". It just asserts that the next
26 3. Capturing subpatterns that occur inside negative lookaround assertions are
27 counted, but their entries in the offsets vector are set only when a negative
31 4. The following Perl escape sequences are not supported: \eF, \el, \eL, \eu,
33 non-newline character, and \eN{U+dd..}, matching a Unicode code point, are
34 supported. The escapes that modify the case of following letters are
35 implemented by Perl's general string-handling and are not part of its pattern
36 matching engine. If any of these are encountered by PCRE2, an error is
40 5. The Perl escape sequences \ep, \eP, and \eX are supported only if PCRE2 is
42 with \ep and \eP are limited to the general category properties such as Lu and
50 in between are treated as literals. However, this is slightly different from
51 Perl in that $ and @ are also handled as literals inside the quotes. In Perl,
82 9. If any of the backtracking control verbs are used in a subpattern that is
87 group does not contain any | characters. Note that such subpatterns are
88 processed as anchored at the point where they are tested.
94 same as PCRE2, but there are cases where it differs.
96 11. Most backtracking verbs in assertions have their normal actions. They are
99 12. There are some differences that are concerned with the settings of captured
122 warning features, so it gives an error in these cases because they are almost
125 16. In PCRE2, the upper/lower case character properties Lu and Ll are not
132 Perl 5.10 includes new features that are not in earlier versions of Perl, some
140 (b) From PCRE2 10.23, backreferences to groups of fixed length are supported
151 inverted, that is, by default they are not greedy, but if followed by a
152 question mark they are.