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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.
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I'm wondering the same thing.
That is exactly what "case insensitive" means - your code must be able to handle the string properly, be it ALL CAPS, lowercase, camelCase or mIxeDCAsE.
Transforming the string to lowercase before running conditional statements is one way to do it; alternatively, you could transform the string to uppercase or use regex etc.
no worries, i know how important references can be to help learn a new feature :)