1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <regex>
11
12 // class regex_token_iterator<BidirectionalIterator, charT, traits>
13
14 // regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
15 // const regex_type& re, int submatch = 0,
16 // regex_constants::match_flag_type m =
17 // regex_constants::match_default);
18
19 #include <regex>
20 #include <cassert>
21 #include "test_macros.h"
22
main()23 int main()
24 {
25 {
26 std::regex phone_numbers("\\d{3}-\\d{4}");
27 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
28 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
29 phone_numbers, -1);
30 assert(i != std::cregex_token_iterator());
31 assert(i->str() == "start ");
32 ++i;
33 assert(i != std::cregex_token_iterator());
34 assert(i->str() == ", ");
35 ++i;
36 assert(i != std::cregex_token_iterator());
37 assert(i->str() == ", ");
38 ++i;
39 assert(i != std::cregex_token_iterator());
40 assert(i->str() == " end");
41 ++i;
42 assert(i == std::cregex_token_iterator());
43 }
44 {
45 std::regex phone_numbers("\\d{3}-\\d{4}");
46 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
47 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
48 phone_numbers);
49 assert(i != std::cregex_token_iterator());
50 assert(i->str() == "555-1234");
51 ++i;
52 assert(i != std::cregex_token_iterator());
53 assert(i->str() == "555-2345");
54 ++i;
55 assert(i != std::cregex_token_iterator());
56 assert(i->str() == "555-3456");
57 ++i;
58 assert(i == std::cregex_token_iterator());
59 }
60 {
61 std::regex phone_numbers("\\d{3}-(\\d{4})");
62 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
63 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
64 phone_numbers, 1);
65 assert(i != std::cregex_token_iterator());
66 assert(i->str() == "1234");
67 ++i;
68 assert(i != std::cregex_token_iterator());
69 assert(i->str() == "2345");
70 ++i;
71 assert(i != std::cregex_token_iterator());
72 assert(i->str() == "3456");
73 ++i;
74 assert(i == std::cregex_token_iterator());
75 }
76 }
77