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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.
This is cool!!
I liked this one, but I think for some can be a bit hard to understand.
You could just scroll a bit down and find the answer to your question...
It makes the regex case insensitive.
Anybody can explain to me what is (?i) pls?