Stripping out all added text in a Scrivener file

I’m using the latest Windows 3.0 beta.

After working on a project I think I have a pretty good template for novels going forward. Is it possible to:

a) string out ALL added text in the project across notecard faces and documents
b) strip out all added text in selected regions of the file

Thanks in advance. I can’t find this under search, at least with the criteria I entered…
John