#include <cstdlib>
#include <stdlib.h>
#include <boost/regex.hpp>
#include <stdlib.h>
#include <string>
#include <iostream>
using namespace std;
using namespace boost;
regex expression("^select ([a-zA-Z]*) from ([a-zA-Z]*)");//定义正则表达式expression
int main(int argc, char* argv[])
{
std::string in;
cmatch what;
cout << "enter test string" << endl;
getline(cin,in);
if(regex_match(in.c_str(), what, expression))//regex_match:匹配算法,用于测试一个字符串是否和正则式匹配
{
for(int i=0;i<what.size();i++)
cout<<"str :"<<what[i].str()<<endl;
}
else
{
cout<<"Error Input"<<endl;
}
system("pause");
return 0;
}
原文地址:http://blog.51cto.com/liam2199/2108548