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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.
What about a test string of for example "thiS-can-go-wrONg"? Shouldn't the middle uppercase letters be changed to lower case in the transformation?
I think this is wrong. What if the test string is for example "tHiS-can-go-wroNg"?