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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.
Backslash "escapes" the following character.
I.e. the "[" looses it's special meaning
Could someone explain why there is the use of \ at the start and end of the regex? Thanks
Thanks for the explanation! I got it now thanks!
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This comment is hidden because it contains spoiler information about the solution