I used 4 regex expressions to get to this result (and upvoted similar answers). But after reading the explanation, I now understand I should have used this. Thanks for taking the time to break it down.

I used a similar approach. Much more readable than the most voted answer +1

I feel this kata didn't help me advance in any way

Everbody is hating on the solution? I think it was pretty clever and works perfectly fine for a small quantity of entries

I would love to learn more about this approach, as I don't understand it completely. Can you ellaborate?