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 // template <size_t N>
15 // regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
16 //                      const regex_type& re,
17 //                      const int (&submatches)[N],
18 //                      regex_constants::match_flag_type m =
19 //                                              regex_constants::match_default);
20 
21 #include <regex>
22 #include <cassert>
23 
main()24 int main()
25 {
26     {
27         std::regex phone_numbers("\\d{3}-(\\d{4})");
28         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
29         const int indices[] = {-1, 0, 1};
30         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
31                                      phone_numbers, indices);
32         assert(i != std::cregex_token_iterator());
33         assert(i->str() == "start ");
34         ++i;
35         assert(i != std::cregex_token_iterator());
36         assert(i->str() == "555-1234");
37         ++i;
38         assert(i != std::cregex_token_iterator());
39         assert(i->str() == "1234");
40         ++i;
41         assert(i != std::cregex_token_iterator());
42         assert(i->str() == ", ");
43         ++i;
44         assert(i != std::cregex_token_iterator());
45         assert(i->str() == "555-2345");
46         ++i;
47         assert(i != std::cregex_token_iterator());
48         assert(i->str() == "2345");
49         ++i;
50         assert(i != std::cregex_token_iterator());
51         assert(i->str() == ", ");
52         ++i;
53         assert(i != std::cregex_token_iterator());
54         assert(i->str() == "555-3456");
55         ++i;
56         assert(i != std::cregex_token_iterator());
57         assert(i->str() == "3456");
58         ++i;
59         assert(i != std::cregex_token_iterator());
60         assert(i->str() == " end");
61         ++i;
62         assert(i == std::cregex_token_iterator());
63     }
64 }
65