Filter mapping url-pattern that excludes subdirectories

Question

Is there any way to make a filtermapping not include subdirectories?

For example.

I have .xhtml files in my context root, and I also have a subfolder named \

Answer 1

Some containers (like resin) define an extension to filter mapping definition in web.xml which allows specifying url-regexp which allows matching the urls based on regular expression. (reference). See if your container has something like this.