string::npos : string iterator « string « C++ Tutorial

1. C++ Tutorial
2. string
3. string iterator

#include <iostream>
#include <string>
using std::cout;
using std::endl;
using std::string;

int main() {
  string text = "asdf asdf asdf asdf asdf";

  size_t start = text.find_first_not_of("df");
  
  cout << start;
  cout << string::npos;

  return 0;
}

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