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 #include "test_macros.h"
19 
main()20 int main()
21 {
22     {
23         std::regex phone_numbers("\\d{3}-\\d{4}");
24         const char phone_book[] = "555-1234, 555-2345, 555-3456";
25         std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
26         assert(i != std::cregex_iterator());
27         assert((*i).size() == 1);
28         assert((*i).position() == 0);
29         assert((*i).str() == "555-1234");
30         ++i;
31         assert(i != std::cregex_iterator());
32         assert((*i).size() == 1);
33         assert((*i).position() == 10);
34         assert((*i).str() == "555-2345");
35         ++i;
36         assert(i != std::cregex_iterator());
37         assert((*i).size() == 1);
38         assert((*i).position() == 20);
39         assert((*i).str() == "555-3456");
40         ++i;
41         assert(i == std::cregex_iterator());
42     }
43 }
44