Chapter 10 PC 10

#include <iostream>
#include <string>
using namespace std;

void replaceSubstring(string, string, string);

int main(){
    string string1, string2, string3;
    cout <<"Substring Program!\n\n\n";
    cout << "Please enter string one: \n";
    getline (cin, string1);
    cout << "Please enter string two: \n";
    getline (cin, string2);
    cout << "Please enter string three: \n";
    getline (cin, string3);
    replaceSubstring(string1, string2, string3);
    system ("pause");
    return 0;
}
void replaceSubstring(string string1, string string2, string string3){
     int start = string1.find(string2);
     string1.replace(start,string2.size(),string3);
     cout << string1 << endl;
}