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_iterator<BidirectionalIterator, charT, traits>
13 
14 // regex_iterator(BidirectionalIterator a, BidirectionalIterator b,
15 //                const regex_type& re,
16 //                regex_constants::match_flag_type m = regex_constants::match_default);
17 
18 #include <regex>
19 #include <cassert>
20 
main()21 int main()
22 {
23     {
24         std::regex phone_numbers("\\d{3}-\\d{4}");
25         const char phone_book[] = "555-1234, 555-2345, 555-3456";
26         std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
27         assert(i != std::cregex_iterator());
28         assert(i->size() == 1);
29         assert(i->position() == 0);
30         assert(i->str() == "555-1234");
31         ++i;
32         assert(i != std::cregex_iterator());
33         assert(i->size() == 1);
34         assert(i->position() == 10);
35         assert(i->str() == "555-2345");
36         ++i;
37         assert(i != std::cregex_iterator());
38         assert(i->size() == 1);
39         assert(i->position() == 20);
40         assert(i->str() == "555-3456");
41         ++i;
42         assert(i == std::cregex_iterator());
43     }
44 }
45