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Could be cleaner but it works!
Is he right? Of course he is!
Here is my solution
Fun and fast!! And TWO TOOLS!!! Granted, that makes for an unfriendly looking filter, but sometimes it's fun to see how few tools a process needs....
My solution. Still a noob so it might be a little messy. I found it interesting that substring uses a 0 position for the first character - that one threw me off a bit.
That was fun. My solution: