Example as follows:
//Program tested on Microsoft Visual Studio 2008 - Zahid Ghadialy
#include<iostream>
#include<string>
using namespace std;
int main()
{
string s1 = "Hello is that Tom? Are you ok Tom? Take Care tom!";
string s2 = "Tom";
string s3 = "William";
cout << "s1 = " << s1 << endl;
//Find s2 and replace by s3
bool flag = true;
while(flag)
{
size_t found = s1.find(s2);
if(found != string::npos)
{
s1.replace(found, s2.length(), s3);
}
else
{
flag = false;
}
}
cout << "s1 = " << s1 << endl;
return 0;
}
The output is as follows:
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