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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.
it's cute oneliner (despite missing .toLowerCase()), but tested against my solution with one loop over a string - it executes 4 times longer (1 milion iterations: 11 sec vs 44 sec under node.js)
amazing code to pass the 2 testcases, but in a Randomized testcase it will fail if it needs to Revert from upper to lower
in your one liner code only do from Lower to upper not the opposite
This is kinda true LOL i think regex is the key to javascript LMAO
There's always that guy, that writes the whole code in 1 regexp line
less one '}' at the end