How do I extend a regular expression to exclude all files in a folder?

Question

In the app.yaml file of my Google App Engine project there is a skip_files section used to exclude files of given types from being uploaded. How do I extend this regular express

Answer 1

my app.yaml looks like this:

skip_files:
- ^(.*/)?#.*#
- ^(.*/)?.*~
- ^(.*/)?.*\.py[co]
- ^(.*/)?.*/RCS/.*
- ^(.*/)?\..*
- ^(statistics/.*)
- ^(unittests/.*)
- ^(webtests/.*)