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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.
cleaver, but I would have put regexp compilation outside the loop
kata description is not clear on that point, but if s starts with a - or _ it does not work. by the way best practice.
why???