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libcxx/test/std/re/re.const/re.matchflag/match_not_bol.pass.cpp

52 lines
1.4 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// match_not_bol:
// The first character in the sequence [first,last) shall be treated as
// though it is not at the beginning of a line, so the character ^ in the
// regular expression shall not match [first,first).
#include <regex>
#include <cassert>
#include "test_macros.h"
int main()
{
{
std::string target = "foo";
std::regex re("^foo");
assert( std::regex_match(target, re));
assert(!std::regex_match(target, re, std::regex_constants::match_not_bol));
}
{
std::string target = "foo";
std::regex re("foo");
assert( std::regex_match(target, re));
assert( std::regex_match(target, re, std::regex_constants::match_not_bol));
}
{
std::string target = "fooby";
std::regex re("^foo");
assert( std::regex_search(target, re));
assert(!std::regex_search(target, re, std::regex_constants::match_not_bol));
}
{
std::string target = "fooby";
std::regex re("foo");
assert( std::regex_search(target, re));
assert( std::regex_search(target, re, std::regex_constants::match_not_bol));
}
}