//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// <regex>
// template <class BidirectionalIterator, class Allocator, class charT, class traits>
// bool
// regex_search(BidirectionalIterator first, BidirectionalIterator last,
// match_results<BidirectionalIterator, Allocator>& m,
// const basic_regex<charT, traits>& e,
// regex_constants::match_flag_type flags = regex_constants::match_default);
#include <regex>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
int main(int, char**)
{
{
std::cmatch m;
assert(!std::regex_search("a", m, std::regex()));
assert(m.size() == 0);
assert(m.empty());
}
{
std::cmatch m;
const char s[] = "a";
assert(std::regex_search(s, m, std::regex("a", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.empty());
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+1);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == "a");
}
{
std::cmatch m;
const char s[] = "ab";
assert(std::regex_search(s, m, std::regex("ab", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+2);
assert(m.length(0) == 2);
assert(m.position(0) == 0);
assert(m.str(0) == "ab");
}
{
std::cmatch m;
const char s[] = "ab";
assert(!std::regex_search(s, m, std::regex("ba", std::regex_constants::basic)));
assert(m.size() == 0);
assert(m.empty());
}
{
std::cmatch m;
const char s[] = "aab";
assert(std::regex_search(s, m, std::regex("ab", std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 2);
assert(m.position(0) == 1);
assert(m.str(0) == "ab");
}
{
std::cmatch m;
const char s[] = "aab";
assert(!std::regex_search(s, m, std::regex("ab", std::regex_constants::basic),
std::regex_constants::match_continuous));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "abcd";
assert(std::regex_search(s, m, std::regex("bc", std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+4);
assert(m.length(0) == 2);
assert(m.position(0) == 1);
assert(m.str(0) == "bc");
}
{
std::cmatch m;
const char s[] = "abbc";
assert(std::regex_search(s, m, std::regex("ab*c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+4);
assert(m.length(0) == 4);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "ababc";
assert(std::regex_search(s, m, std::regex("\\(ab\\)*c", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+5);
assert(m.length(0) == 5);
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 2);
assert(m.position(1) == 2);
assert(m.str(1) == "ab");
}
{
std::cmatch m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd\\(\\(e\\)fg\\)hi",
std::regex_constants::basic)));
assert(m.size() == 3);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+std::regex_traits<char>::length(s));
assert(m.length(0) == 7);
assert(m.position(0) == 2);
assert(m.str(0) == "cdefghi");
assert(m.length(1) == 3);
assert(m.position(1) == 4);
assert(m.str(1) == "efg");
assert(m.length(2) == 1);
assert(m.position(2) == 4);
assert(m.str(2) == "e");
}
{
std::cmatch m;
const char s[] = "abc";
assert(std::regex_search(s, m, std::regex("^abc", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "abcd";
assert(std::regex_search(s, m, std::regex("^abc", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+4);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == "abc");
}
{
std::cmatch m;
const char s[] = "aabc";
assert(!std::regex_search(s, m, std::regex("^abc", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "abc";
assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "efabc";
assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+5);
assert(m.length(0) == 3);
assert(m.position(0) == 2);
assert(m.str(0) == s+2);
}
{
std::cmatch m;
const char s[] = "efabcg";
assert(!std::regex_search(s, m, std::regex("abc$", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "abc";
assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "acc";
assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "acc";
assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "abcdef";
assert(std::regex_search(s, m, std::regex("\\(.*\\).*", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+6);
assert(m.length(0) == 6);
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 6);
assert(m.position(1) == 0);
assert(m.str(1) == s);
}
{
std::cmatch m;
const char s[] = "bc";
assert(std::regex_search(s, m, std::regex("\\(a*\\)*", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+2);
assert(m.length(0) == 0);
assert(m.position(0) == 0);
assert(m.str(0) == "");
assert(m.length(1) == 0);
assert(m.position(1) == 0);
assert(m.str(1) == "");
}
{
std::cmatch m;
const char s[] = "abbc";
assert(!std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "abbbc";
assert(std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == sizeof(s)-1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "abbbbc";
assert(std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == sizeof(s)-1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "abbbbbc";
assert(std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == sizeof(s)-1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "adefc";
assert(!std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "abbbbbbc";
assert(!std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "adec";
assert(!std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "adefc";
assert(std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == sizeof(s)-1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "adefgc";
assert(std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == sizeof(s)-1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "adefghc";
assert(std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == sizeof(s)-1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "adefghic";
assert(!std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "-ab,ab-";
assert(std::regex_search(s, m, std::regex("-\\(.*\\),\\1-", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 2);
assert(m.position(1) == 1);
assert(m.str(1) == "ab");
}
{
std::cmatch m;
const char s[] = "ababbabb";
assert(std::regex_search(s, m, std::regex("^\\(ab*\\)*\\1$", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 3);
assert(m.position(1) == 2);
assert(m.str(1) == "abb");
}
{
std::cmatch m;
const char s[] = "ababbab";
assert(!std::regex_search(s, m, std::regex("^\\(ab*\\)*\\1$", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "aBAbbAbB";
assert(std::regex_search(s, m, std::regex("^\\(Ab*\\)*\\1$",
std::regex_constants::basic | std::regex_constants::icase)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 3);
assert(m.position(1) == 2);
assert(m.str(1) == "Abb");
}
{
std::cmatch m;
const char s[] = "aBAbbAbB";
assert(!std::regex_search(s, m, std::regex("^\\(Ab*\\)*\\1$",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "a";
assert(std::regex_search(s, m, std::regex("^[a]$",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == "a");
}
{
std::cmatch m;
const char s[] = "a";
assert(std::regex_search(s, m, std::regex("^[ab]$",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == "a");
}
{
std::cmatch m;
const char s[] = "c";
assert(std::regex_search(s, m, std::regex("^[a-f]$",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "g";
assert(!std::regex_search(s, m, std::regex("^[a-f]$",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "Iraqi";
assert(std::regex_search(s, m, std::regex("q[^u]",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 2);
assert(m.position(0) == 3);
assert(m.str(0) == "qi");
}
{
std::cmatch m;
const char s[] = "Iraq";
assert(!std::regex_search(s, m, std::regex("q[^u]",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "AmB";
assert(std::regex_search(s, m, std::regex("A[[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "AMB";
assert(!std::regex_search(s, m, std::regex("A[[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "AMB";
assert(std::regex_search(s, m, std::regex("A[^[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "AmB";
assert(!std::regex_search(s, m, std::regex("A[^[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "A5B";
assert(!std::regex_search(s, m, std::regex("A[^[:lower:]0-9]B",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "A?B";
assert(std::regex_search(s, m, std::regex("A[^[:lower:]0-9]B",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "-";
assert(std::regex_search(s, m, std::regex("[a[.hyphen.]z]",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "z";
assert(std::regex_search(s, m, std::regex("[a[.hyphen.]z]",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::cmatch m;
const char s[] = "m";
assert(!std::regex_search(s, m, std::regex("[a[.hyphen.]z]",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::cmatch m;
const char s[] = "01a45cef9";
assert(std::regex_search(s, m, std::regex("[ace1-9]*",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s + std::char_traits<char>::length(s));
assert(m.length(0) == 0);
assert(m.position(0) == 0);
assert(m.str(0) == "");
}
{
std::cmatch m;
const char s[] = "01a45cef9";
assert(std::regex_search(s, m, std::regex("[ace1-9]\\{1,\\}",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s + std::char_traits<char>::length(s));
assert(m.length(0) == 6);
assert(m.position(0) == 1);
assert(m.str(0) == "1a45ce");
}
{
const char r[] = "^[-+]\\{0,1\\}[0-9]\\{1,\\}[CF]$";
std::ptrdiff_t sr = std::char_traits<char>::length(r);
typedef forward_iterator<const char*> FI;
typedef bidirectional_iterator<const char*> BI;
std::regex regex(FI(r), FI(r+sr), std::regex_constants::basic);
std::match_results<BI> m;
const char s[] = "-40C";
std::ptrdiff_t ss = std::char_traits<char>::length(s);
assert(std::regex_search(BI(s), BI(s+ss), m, regex));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == BI(s));
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 4);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
std::wcmatch m;
assert(!std::regex_search(L"a", m, std::wregex()));
assert(m.size() == 0);
assert(m.empty());
}
{
std::wcmatch m;
const wchar_t s[] = L"a";
assert(std::regex_search(s, m, std::wregex(L"a", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.empty());
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+1);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == L"a");
}
{
std::wcmatch m;
const wchar_t s[] = L"ab";
assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+2);
assert(m.length(0) == 2);
assert(m.position(0) == 0);
assert(m.str(0) == L"ab");
}
{
std::wcmatch m;
const wchar_t s[] = L"ab";
assert(!std::regex_search(s, m, std::wregex(L"ba", std::regex_constants::basic)));
assert(m.size() == 0);
assert(m.empty());
}
{
std::wcmatch m;
const wchar_t s[] = L"aab";
assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 2);
assert(m.position(0) == 1);
assert(m.str(0) == L"ab");
}
{
std::wcmatch m;
const wchar_t s[] = L"aab";
assert(!std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::basic),
std::regex_constants::match_continuous));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"abcd";
assert(std::regex_search(s, m, std::wregex(L"bc", std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+4);
assert(m.length(0) == 2);
assert(m.position(0) == 1);
assert(m.str(0) == L"bc");
}
{
std::wcmatch m;
const wchar_t s[] = L"abbc";
assert(std::regex_search(s, m, std::wregex(L"ab*c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+4);
assert(m.length(0) == 4);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"ababc";
assert(std::regex_search(s, m, std::wregex(L"\\(ab\\)*c", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+5);
assert(m.length(0) == 5);
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 2);
assert(m.position(1) == 2);
assert(m.str(1) == L"ab");
}
{
std::wcmatch m;
const wchar_t s[] = L"abcdefghijk";
assert(std::regex_search(s, m, std::wregex(L"cd\\(\\(e\\)fg\\)hi",
std::regex_constants::basic)));
assert(m.size() == 3);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+std::regex_traits<wchar_t>::length(s));
assert(m.length(0) == 7);
assert(m.position(0) == 2);
assert(m.str(0) == L"cdefghi");
assert(m.length(1) == 3);
assert(m.position(1) == 4);
assert(m.str(1) == L"efg");
assert(m.length(2) == 1);
assert(m.position(2) == 4);
assert(m.str(2) == L"e");
}
{
std::wcmatch m;
const wchar_t s[] = L"abc";
assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"abcd";
assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+4);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == L"abc");
}
{
std::wcmatch m;
const wchar_t s[] = L"aabc";
assert(!std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"abc";
assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"efabc";
assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+5);
assert(m.length(0) == 3);
assert(m.position(0) == 2);
assert(m.str(0) == s+2);
}
{
std::wcmatch m;
const wchar_t s[] = L"efabcg";
assert(!std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"abc";
assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"acc";
assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"acc";
assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+3);
assert(m.length(0) == 3);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"abcdef";
assert(std::regex_search(s, m, std::wregex(L"\\(.*\\).*", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+6);
assert(m.length(0) == 6);
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 6);
assert(m.position(1) == 0);
assert(m.str(1) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"bc";
assert(std::regex_search(s, m, std::wregex(L"\\(a*\\)*", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s+2);
assert(m.length(0) == 0);
assert(m.position(0) == 0);
assert(m.str(0) == L"");
assert(m.length(1) == 0);
assert(m.position(1) == 0);
assert(m.str(1) == L"");
}
{
std::wcmatch m;
const wchar_t s[] = L"abbc";
assert(!std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"abbbc";
assert(std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"abbbbc";
assert(std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"abbbbbc";
assert(std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"adefc";
assert(!std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"abbbbbbc";
assert(!std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"adec";
assert(!std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"adefc";
assert(std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"adefgc";
assert(std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"adefghc";
assert(std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"adefghic";
assert(!std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"-ab,ab-";
assert(std::regex_search(s, m, std::wregex(L"-\\(.*\\),\\1-", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 2);
assert(m.position(1) == 1);
assert(m.str(1) == L"ab");
}
{
std::wcmatch m;
const wchar_t s[] = L"ababbabb";
assert(std::regex_search(s, m, std::wregex(L"^\\(ab*\\)*\\1$", std::regex_constants::basic)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 3);
assert(m.position(1) == 2);
assert(m.str(1) == L"abb");
}
{
std::wcmatch m;
const wchar_t s[] = L"ababbab";
assert(!std::regex_search(s, m, std::wregex(L"^\\(ab*\\)*\\1$", std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"aBAbbAbB";
assert(std::regex_search(s, m, std::wregex(L"^\\(Ab*\\)*\\1$",
std::regex_constants::basic | std::regex_constants::icase)));
assert(m.size() == 2);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
assert(m.length(1) == 3);
assert(m.position(1) == 2);
assert(m.str(1) == L"Abb");
}
{
std::wcmatch m;
const wchar_t s[] = L"aBAbbAbB";
assert(!std::regex_search(s, m, std::wregex(L"^\\(Ab*\\)*\\1$",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"a";
assert(std::regex_search(s, m, std::wregex(L"^[a]$",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == L"a");
}
{
std::wcmatch m;
const wchar_t s[] = L"a";
assert(std::regex_search(s, m, std::wregex(L"^[ab]$",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == L"a");
}
{
std::wcmatch m;
const wchar_t s[] = L"c";
assert(std::regex_search(s, m, std::wregex(L"^[a-f]$",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 1);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"g";
assert(!std::regex_search(s, m, std::wregex(L"^[a-f]$",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"Iraqi";
assert(std::regex_search(s, m, std::wregex(L"q[^u]",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 2);
assert(m.position(0) == 3);
assert(m.str(0) == L"qi");
}
{
std::wcmatch m;
const wchar_t s[] = L"Iraq";
assert(!std::regex_search(s, m, std::wregex(L"q[^u]",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"AmB";
assert(std::regex_search(s, m, std::wregex(L"A[[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"AMB";
assert(!std::regex_search(s, m, std::wregex(L"A[[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"AMB";
assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"AmB";
assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"A5B";
assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"A?B";
assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"-";
assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"z";
assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
{
std::wcmatch m;
const wchar_t s[] = L"m";
assert(!std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
std::regex_constants::basic)));
assert(m.size() == 0);
}
{
std::wcmatch m;
const wchar_t s[] = L"01a45cef9";
assert(std::regex_search(s, m, std::wregex(L"[ace1-9]*",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
assert(m.length(0) == 0);
assert(m.position(0) == 0);
assert(m.str(0) == L"");
}
{
std::wcmatch m;
const wchar_t s[] = L"01a45cef9";
assert(std::regex_search(s, m, std::wregex(L"[ace1-9]\\{1,\\}",
std::regex_constants::basic)));
assert(m.size() == 1);
assert(m.prefix().matched);
assert(m.prefix().first == s);
assert(m.prefix().second == m[0].first);
assert(m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
assert(m.length(0) == 6);
assert(m.position(0) == 1);
assert(m.str(0) == L"1a45ce");
}
{
const wchar_t r[] = L"^[-+]\\{0,1\\}[0-9]\\{1,\\}[CF]$";
std::ptrdiff_t sr = std::char_traits<wchar_t>::length(r);
typedef forward_iterator<const wchar_t*> FI;
typedef bidirectional_iterator<const wchar_t*> BI;
std::wregex regex(FI(r), FI(r+sr), std::regex_constants::basic);
std::match_results<BI> m;
const wchar_t s[] = L"-40C";
std::ptrdiff_t ss = std::char_traits<wchar_t>::length(s);
assert(std::regex_search(BI(s), BI(s+ss), m, regex));
assert(m.size() == 1);
assert(!m.prefix().matched);
assert(m.prefix().first == BI(s));
assert(m.prefix().second == m[0].first);
assert(!m.suffix().matched);
assert(m.suffix().first == m[0].second);
assert(m.suffix().second == m[0].second);
assert(m.length(0) == 4);
assert(m.position(0) == 0);
assert(m.str(0) == s);
}
#endif // TEST_HAS_NO_WIDE_CHARACTERS
{ // LWG 2273
std::regex re("Foo|FooBar");
std::cmatch m;
{
assert(std::regex_search("FooBar", m, re));
assert(m.size() == 1);
assert(m[0] == "Foo");
}
{
assert(std::regex_search("Foo", m, re));
assert(m.size() == 1);
assert(m[0] == "Foo");
}
{
assert(std::regex_search("FooBarBaz", m, re));
assert(m.size() == 1);
assert(m[0] == "Foo");
}
{
assert(std::regex_search("FooBa", m, re));
assert(m.size() == 1);
assert(m[0] == "Foo");
}
}
return 0;
}
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