How to automatically remove trailing whitespace in Visual Studio 2008?

CodeMaid is a very popular Visual Studio extension and does this automatically along with other useful cleanups.

• Download: https://github.com/codecadwallader/codemaid/releases/tag/v0.4.3
• Modern Download: https://marketplace.visualstudio.com/items?itemName=SteveCadwallader.CodeMaid
• Documentation: http://www.codemaid.net/documentation/#cleaning

I set it to clean up a file on save, which I believe is the default.

Find/Replacing using Regular Expressions

In the Find and Replace dialog, expand Find Options, check Use, choose Regular expressions

Find What: ":Zs#$"

Replace with: ""

click Replace All

In other editors (a normal Regular Expression parser) ":Zs#$" would be "\s*$".