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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.
yes, in the past I was programming on different languages from Asm x86 to ABAP/4, and they did not have regular expression functionality) so I was simply not familiar with this, thus it looked unreadable for me at that time.
looks cool, but unreadable ) such a code will be hard to maintain by someone else.... not sure if it should be the best practice in a real world