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 // const value_type& operator*() const;
15 
16 #include <regex>
17 #include <cassert>
18 
main()19 int main()
20 {
21     {
22         std::regex phone_numbers("\\d{3}-\\d{4}");
23         const char phone_book[] = "555-1234, 555-2345, 555-3456";
24         std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
25         assert(i != std::cregex_iterator());
26         assert((*i).size() == 1);
27         assert((*i).position() == 0);
28         assert((*i).str() == "555-1234");
29         ++i;
30         assert(i != std::cregex_iterator());
31         assert((*i).size() == 1);
32         assert((*i).position() == 10);
33         assert((*i).str() == "555-2345");
34         ++i;
35         assert(i != std::cregex_iterator());
36         assert((*i).size() == 1);
37         assert((*i).position() == 20);
38         assert((*i).str() == "555-3456");
39         ++i;
40         assert(i == std::cregex_iterator());
41     }
42 }
43