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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.
TypeScript translation
Puzzlestag may be applicable.It doesn't looks like a string parsing kata, so what's the point in representing numbers as a string?
You're not disallowing the
*operator, you're disallowing the*character.**is an operator, and it's disallowed, and that's not specified as such.