How to remove text in brackets using a regular expression

Question

I\'m looking for a regular expression which will perform the following:

INPUT: User Name (email@address.com)
OUTPUT: User Name

What would b

Answer 1

This should do the job:

var input = "User Name (email@address.com)";
var output = Regex.Replace(input, @" ?\(.*?\)", string.Empty);

Note the escaping of the ( and ) chars so that they aren't recognised as group markers.