@ZoeB has the right tag. And I have seen something like that asked before…
Try some of this: Filerenaming/Scripting help
There are some superb script examples scattered around the forum. Just take a bit of searching out.
Edit: Just spotted your username. Hello @cyberdoggy Sorry if I scared you the other week when I piled in and cleaned up some of those confused releases you added. I did try and leave some notes, but notes can be hard to spot. MB is a weird place with weird guidelines that take a while to understand. ANY help you need - just ask. I actually had quite a bit of fun untangling your work so I would be happy to explain the fixes I did. It also made a bad day into a good day for me. 