c++ read string from iostream code example

Example 1: get line C++

// extract to string
#include <iostream>
#include <string>

int main ()
{
  std::string name;

  std::cout << "Please, enter your full name: ";
  std::getline (std::cin,name);
  std::cout << "Hello, " << name << "!\n";

  return 0;
}

Example 2: getline limit input

string text;
getline(cin, text);
text = text.substr(0, 100);