Need a set of eyes to find what I can't

I would really appreciate someone taking a look at this code. I wrote it to go through a bill of materials and match a regular expression pattern to identify certain items and generate a cut list. I'm not really getting any compile errors, but it's also not doing anything at all when it's run. This code is all placed within a module:

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Also, if there's any way I could break this code up to make it clearer for you to read in the forum, please let me know.