How Can I inherit the string class?

Question

I want to inherit to extend the C# string class to add methods like WordCount() and several many others but I keep getting this error:

Er

Answer 1

System.String is sealed, so, no, you can't do that.

You can create extension methods. For instance,

public static class MyStringExtensions
{
    public static int WordCount(this string inputString) { ... }
}

use:

string someString = "Two Words";
int numberOfWords = someString.WordCount();