// demonstrates finding characters in string
// mikhail nesterenko
// 03/07/99

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

void printresult (int); // printing result of search

int main(){

  string quit="y";     // quit after this loop?

  do{

    cout << "Enter string to search: ";
    string tosearch;
    cin >> tosearch;

    cout << "Enter string to find: ";
    string tofind;
    cin >> tofind;

    cout << "find ";
    printresult(tosearch.find(tofind));
 
    cout << "rfind ";
    printresult(tosearch.rfind(tofind));

    cout << "find_first_of ";
    printresult(tosearch.find_first_of(tofind));

    cout << "find_last_of ";
    printresult(tosearch.find_last_of(tofind));

    cout << "find_first_not_of ";
    printresult(tosearch.find_first_not_of(tofind));

    cout << "find_last_not_of ";
    printresult(tosearch.find_last_not_of(tofind));

    cout << "done? ";
    cin >> quit;

  }while(quit !="y");

}


void printresult (int result){

  if(result != string::npos)
    cout << "found at position " << result << endl;
  else
    cout << "not found" << endl;
}