How to find AppleScript library


I’m in the middle of transitioning to a new MacBook at my office. Many years ago, I apparently installed an add-on Dictionary (library?) to AppleScript that included text manipulation expressions.


Eg, “splittext” and “change” in this example

For the life of me I don’t remember where I found this library AND where it is installed. I need to re-install on my new MacBook so that my scripts continue to run.

Any tips? Either possible online source for a library like this OR where I can find this library to simply move to new Mac?

I can re-create the logic of both the split text and the seasrch/replace through manual script logic, but I would rather not. Quite honestly, I’m more interested in solving the mystery of finding the library! I certainly have spent more time today trying to find it than I would have had I simply re-written the scripts!!