How do I get the last four characters from a string in C#?

Question

Suppose I have a string:

\"34234234d124\"

I want to get the last four characters of this string which is \"d124\". I can use <

Answer 1

Definition:

public static string GetLast(string source, int last)
{
     return last >= source.Length ? source : source.Substring(source.Length - last);
}

Usage:

GetLast("string of", 2);

Result:

of