更新时间:2023-02-20 07:53:00
使用方法如下:
#include <iostream>
#include <string>
#include <regex>
int main()
{
std::string txt("paragraph:\r\nthis is the text file\r\ni need only this data\r\nnotthis");
std::smatch m;
std::regex rt("paragraph:([\\S\\s]+(?=notthis))");
std::regex_search(txt, m, rt);
std::cout << m.str(1) << std::endl;
}