Removing Spaces from the end of a subfolder name

So, I have a rule that catches the TV Episode, removes all the crap from the name, create a subfolder with this name and then moves this subfolder elsewhere. But, the problem is: there are always some spaces (2 or 3) at the end of this subfolders name... How can I remove that? Thanks!!!

You can try using match patterns (search the help). Have it use a custom token the last word (which won't match spaces) and then rename the file with that custom token at the end.