Selecting only the first few characters in a string C++

Question

I want to select the first 8 characters of a string using C++. Right now I create a temporary string which is 8 characters long, and fill it with the first 8 characters of anot

Answer 1

Just use std::string::substr:

std::string str = "123456789abc";
std::string first_eight = str.substr(0, 8);