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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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@ankr The problem is,
.toString()is basically the same as.join(","). So you end up adding a load of commas you don't need, and then removing them. A simple.join("")would do the same with less work (as shown in the solution).I guess the essentials are the same - although you could skip the
iflag in your regex.