This feels like a 7kyu.

I was being facetious. Ignore me.

you'd need to show how they're faulty in order for anyone to know what there is to fix

Test cases in JS are faulty. Pls do the needful

I was trying to do this kata without string split method, but couldn't figure it out. My idea was similar to this, but didn't know about template literals so I didn't get far enough. Thanks for this solution.