dev c++ 的boost库的安装步骤
然后点击“check for updates”按钮
最后点击“Download selected”按钮，下载完成后安装....
给dev添加boost库文件，找到之前安装的目录
#include<iostream>
#include<string>
#include<cstring>
#include<list>
#include<map>
#include<boost/regex.hpp>
int main(){
string s = "1+1=2", first, second;
boost::regex re("=");
boost::sregex_token_iterator begin(s.begin(),s.end(),re,-), end;
if(begin != end){
first = *begin;
++begin;
}
if(begin != end){
second = *begin;
++begin;
}
cout<<first<<" "<<second<<endl;
return ;
}