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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.
Haha, Regex is definitely on my list of things to avoid, but doing these small examples has helped me understand the syntax better. Hopefully now when I run into the edge case where I need Regex I'll be prepared.
The best way to use regex is to avoid them :)
Regex challenge?