Automatically replace "app" and "title" values

Hi, I have a question. Most of my apps come with titles with “.exe” at the end, or with different names than I’d like. I found in “Raw Data” the option to change this manually, however this only changes one, and I wish there was a way to change them all automatically.
I don’t know if I can do this in the categories part using Regex. I don’t know anything about programming, if someone can explain to me how it does it, or where I can learn to do it, I would be very grateful. Thanks!
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