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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.
Please check your formula again, you got it slightly wrong.
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I agree with you, this is really succinct and clever. In any case, the lower case letters can be tackled with simple 'i' flag on the regular expression, which I use.
Really great job @ooflorent making this solution readable and easy to understand
The way you're using the number 0 is inconsistent with the rest of the values it can be. You're interpreting "0 times larger" the way you should interpret "1 times larger". They can't both mean "the same size".
If you're interpreting "10 times larger" as 10x, and "2 times larger" as 2x, and so on and so forth, you can't interpret "0 times larger" as 1x; to be consistent, it has to be 0x. And really, when you're using "times larger" or "times smaller", it's nonsensical to use any values <= 1.