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
21int 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