C++正则表达式匹配、分割字符串

#include "stdafx.h"
#include <iostream>
#include <regex>
#include <string>

using namespace std;

int main()
{

std::string s("abcd12_efgh34");
std::regex e("abcd(\\d+)_efgh(\\d+)");
std::smatch sMatchResult;

if (std::regex_match(s, sMatchResult, e))
{
std::cout << "string Match:" << sMatchResult.size() << "\n";

for (size_t i = 0; i < sMatchResult.size(); ++i)
{
cout << sMatchResult[i] << " ";
}
}
cout << "\n";

std::cmatch cMatchResult;    // same as std::match_results<const char*> cm;
if (std::regex_match(s.c_str(), cMatchResult, e))
{
std::cout << "char* Match:" << cMatchResult.size() << "\n";

for (size_t i = 0; i < cMatchResult.size(); ++i)
{
cout << cMatchResult[i] << " ";
}
}

getchar();

std::cout << std::endl;
}


参考：http://www.cplusplus.com/reference/regex/regex_match/