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 21int 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