When to use Regex vs Built in String Methods?

Question

I\'ve noticed a lot of little debates about when to use regex and when to use a built in string function like String.Replace() (.NET).

It seems a lot of people recom

Answer 1

Regex.Replace() is much more expensive than the String.Replace() method. Use String.Replace() when possible, and use Regex when it's a necessity.

Take a look at this benchmark to see the time differences.