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_token_iterator<BidirectionalIterator, charT, traits> 13 14 // regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, 15 // const regex_type& re, int submatch = 0, 16 // regex_constants::match_flag_type m = 17 // regex_constants::match_default); 18 19 #include <regex> 20 #include <cassert> 21 22 int main() 23 { 24 { 25 std::regex phone_numbers("\\d{3}-\\d{4}"); 26 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 27 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 28 phone_numbers, -1); 29 assert(i != std::cregex_token_iterator()); 30 assert(i->str() == "start "); 31 ++i; 32 assert(i != std::cregex_token_iterator()); 33 assert(i->str() == ", "); 34 ++i; 35 assert(i != std::cregex_token_iterator()); 36 assert(i->str() == ", "); 37 ++i; 38 assert(i != std::cregex_token_iterator()); 39 assert(i->str() == " end"); 40 ++i; 41 assert(i == std::cregex_token_iterator()); 42 } 43 { 44 std::regex phone_numbers("\\d{3}-\\d{4}"); 45 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 46 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 47 phone_numbers); 48 assert(i != std::cregex_token_iterator()); 49 assert(i->str() == "555-1234"); 50 ++i; 51 assert(i != std::cregex_token_iterator()); 52 assert(i->str() == "555-2345"); 53 ++i; 54 assert(i != std::cregex_token_iterator()); 55 assert(i->str() == "555-3456"); 56 ++i; 57 assert(i == std::cregex_token_iterator()); 58 } 59 { 60 std::regex phone_numbers("\\d{3}-(\\d{4})"); 61 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 62 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 63 phone_numbers, 1); 64 assert(i != std::cregex_token_iterator()); 65 assert(i->str() == "1234"); 66 ++i; 67 assert(i != std::cregex_token_iterator()); 68 assert(i->str() == "2345"); 69 ++i; 70 assert(i != std::cregex_token_iterator()); 71 assert(i->str() == "3456"); 72 ++i; 73 assert(i == std::cregex_token_iterator()); 74 } 75 } 76
