This thread collects useful Filter expressions
If you have a useful filter expression, please post it here and give a short description of what it does.
These filter expressions can be used with the Mp3tag filter [F3].
Please look at http://help.mp3tag.de/main_filter.html for the documentation.
-All filter keywords must be uppercase.
-All operations are case insensitive*
- For a workaround see below: