how to get a section of a string in c++
// string::substr
#include <iostream>
#include <string>
using namespace std;
int main ()
{
string str="We think in generalities, but we live in details.";
// quoting Alfred N. Whitehead
string str2, str3;
size_t pos;
str2 = str.substr (12,12); // "generalities"
pos = str.find("live"); // position of "live" in str
str3 = str.substr (pos); // get from "live" to the end
cout << str2 << ' ' << str3 << endl;
return 0;
}