I am trying to set up a sub domain include filter in google analytics. I am a little confused about how to write the filter pattern for my sub domain which is going to be http://www.somesite.com/de
All of the tutorials show it set up like this: sub1.website.com. but my url structure is different. Am I missing the point here any help appreciated.
Here is a screen of what I am trying to set up:

You’ll need two separate filters to accomplish this.
Source: Custom Filter Fields