1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 // <regex> 12 13 // match_not_bol: 14 // The first character in the sequence [first,last) shall be treated as 15 // though it is not at the beginning of a line, so the character ^ in the 16 // regular expression shall not match [first,first). 17 18 #include <regex> 19 #include <cassert> 20 21 int main() 22 { 23 { 24 std::string target = "foo"; 25 std::regex re("^foo"); 26 assert( std::regex_match(target, re)); 27 assert(!std::regex_match(target, re, std::regex_constants::match_not_bol)); 28 } 29 30 { 31 std::string target = "foo"; 32 std::regex re("foo"); 33 assert( std::regex_match(target, re)); 34 assert( std::regex_match(target, re, std::regex_constants::match_not_bol)); 35 } 36 37 { 38 std::string target = "fooby"; 39 std::regex re("^foo"); 40 assert( std::regex_search(target, re)); 41 assert(!std::regex_search(target, re, std::regex_constants::match_not_bol)); 42 } 43 44 { 45 std::string target = "fooby"; 46 std::regex re("foo"); 47 assert( std::regex_search(target, re)); 48 assert( std::regex_search(target, re, std::regex_constants::match_not_bol)); 49 } 50 } 51
