string.replace( position, 2, '12345;;123', 5, 2 ) : string replace « string « C++ Tutorial

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

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

#include <string>
using std::string;

int main()
{
   string string1( "abc edfgh ijk lmno pqr stu vw xyz" );
   
   cout << "Original string:\n" << string1 << endl << endl;

   int position = string1.find( "." ); // find first period

   while ( position != string::npos )
   {
      string1.replace( position, 2, "12345;;123", 5, 2 );
      position = string1.find( ".", position + 1 );
   }

   cout << string1 << endl;
                
   return 0;
}

Original string:
abc edfgh ijk lmno pqr stu vw xyz

abc edfgh ijk lmno pqr stu vw xyz