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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Damn nice!
The first time I actually submitted the top solution by myself... feels good.
Why are you interpolating the 2 in your regular expression?
string.repeat(repeat)
:D
think this is along the right lines, but you've got quite a lot of unnecessary code in it. You could strip most of this out and it would still work.
Nice one liner.