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Versions: 10
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Stored size: 1.6 KB
Contents
//
// RegexMatch.cc
// snowcrash
//
// Created by Zdenek Nemec on 7/1/13.
// Copyright (c) 2013 Apiary Inc. All rights reserved.
//
#include <regex>
#include <cstring>
#include "RegexMatch.h"
using namespace std;
#if _MSC_VER == 1500
using namespace std::tr1;
#endif
//
// A C++09 implementation
//
bool snowcrash::RegexMatch(const string& target, const string& expression)
{
if (target.empty() || expression.empty())
return false;
try {
regex pattern(expression, regex_constants::extended);
return regex_search(target, pattern);
}
catch (const regex_error&) {
}
catch (...) {
}
return false;
}
string snowcrash::RegexCaptureFirst(const string& target, const string& expression)
{
CaptureGroups groups;
if (!RegexCapture(target, expression, groups) ||
groups.size() < 2)
return string();
return groups[1];
}
bool snowcrash::RegexCapture(const string& target, const string& expression, CaptureGroups& captureGroups, size_t groupSize)
{
if (target.empty() || expression.empty())
return false;
captureGroups.clear();
try {
regex pattern(expression, regex_constants::extended);
match_results<string::const_iterator> result;
if (!regex_search(target, result, pattern))
return false;
for (match_results<string::const_iterator>::const_iterator it = result.begin();
it != result.end();
++it) {
captureGroups.push_back(*it);
}
return true;
}
catch (const regex_error&) {
}
catch (...) {
}
return false;
}
Version data entries
10 entries across 10 versions & 1 rubygems