Regular expression to check for special characters except space

I want to check for special characters in a string EXCEPT spaces and delete them.

Ex: input = "Oh Boy!!#$" output = "Oh Boy"

Can someone help me w开发者_如何学Pythonith the regular expression to implement this in C#

---

This is one way:

Console.WriteLine(Regex.Replace("Oh Boy!!#$", @"[^\w ]", ""));