1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <regex>
10
11 // class regex_token_iterator<BidirectionalIterator, charT, traits>
12
13 // regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
14 // const regex_type& re, int submatch = 0,
15 // regex_constants::match_flag_type m =
16 // regex_constants::match_default);
17
18 #include <regex>
19 #include <cassert>
20 #include "test_macros.h"
21
main(int,char **)22 int main(int, char**)
23 {
24 {
25 std::regex phone_numbers("\\d{3}-\\d{4}");
26 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
27 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
28 phone_numbers, -1);
29 assert(i != std::cregex_token_iterator());
30 assert(i->str() == "start ");
31 ++i;
32 assert(i != std::cregex_token_iterator());
33 assert(i->str() == ", ");
34 ++i;
35 assert(i != std::cregex_token_iterator());
36 assert(i->str() == ", ");
37 ++i;
38 assert(i != std::cregex_token_iterator());
39 assert(i->str() == " end");
40 ++i;
41 assert(i == std::cregex_token_iterator());
42 }
43 {
44 std::regex phone_numbers("\\d{3}-\\d{4}");
45 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
46 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
47 phone_numbers);
48 assert(i != std::cregex_token_iterator());
49 assert(i->str() == "555-1234");
50 ++i;
51 assert(i != std::cregex_token_iterator());
52 assert(i->str() == "555-2345");
53 ++i;
54 assert(i != std::cregex_token_iterator());
55 assert(i->str() == "555-3456");
56 ++i;
57 assert(i == std::cregex_token_iterator());
58 }
59 {
60 std::regex phone_numbers("\\d{3}-(\\d{4})");
61 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
62 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
63 phone_numbers, 1);
64 assert(i != std::cregex_token_iterator());
65 assert(i->str() == "1234");
66 ++i;
67 assert(i != std::cregex_token_iterator());
68 assert(i->str() == "2345");
69 ++i;
70 assert(i != std::cregex_token_iterator());
71 assert(i->str() == "3456");
72 ++i;
73 assert(i == std::cregex_token_iterator());
74 }
75
76 return 0;
77 }
78