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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.
Good Job :)
thank you.
I always forget about this way, nice one!
Fixed
3448ms
Modified the description to reflect this
Behavior explained in instructions differences with tests.
not enough tests..
replace() is not a replaceAll(). It doesn't use regex, just replaces char or sequence from one to another.
doesn't the "." stand for any character in regex? So won't the answer be a whole lot of " [dot] "?