Question

I have a string “JohnMarkMarkMark”

I want to replace the “Mark” with “Tom” with two cases

In first case i want to replace only first occurance of “Mark” Result will be: “JohnTomMarkMark”
In the second case i want to replace all the occurance of “Mark” Result will be: “JohnTomTomTom”

Please suggest
Thnaks

Answer 1

string data = "JohnMarkMarkMark";
string resultOne = new Regex("Mark").Replace(data,  "Tom", 1);
string resultAll = data.Replace("Mark", "Tom");