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      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 #include "test_macros.h"
     21 
     22 int main()
     23 {
     24     {
     25         std::regex phone_numbers("\\d{3}-\\d{4}");
     26         const char phone_book[] = "555-1234, 555-2345, 555-3456";
     27         std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
     28         assert(i != std::cregex_iterator());
     29         assert(i->size() == 1);
     30         assert(i->position() == 0);
     31         assert(i->str() == "555-1234");
     32         ++i;
     33         assert(i != std::cregex_iterator());
     34         assert(i->size() == 1);
     35         assert(i->position() == 10);
     36         assert(i->str() == "555-2345");
     37         ++i;
     38         assert(i != std::cregex_iterator());
     39         assert(i->size() == 1);
     40         assert(i->position() == 20);
     41         assert(i->str() == "555-3456");
     42         ++i;
     43         assert(i == std::cregex_iterator());
     44     }
     45 }
     46