Regex.Replace, String.Replace or StringBuilder.Replace which is the fastest?

Question

I need to replace all System.Environment.Newline(s) in the string returned by my function with System.Environment.Newline + \\t (as I am trying to appl

Answer 1

Compiled Regex will be faster, however, unless the string is massive and is being run on a myriad of strings, String.Replace() is the way to go for the sake of readability.