Loading collection data...
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.
Damn, i wrote my solution almost 6 hours :D
Regex is powerful instrument, if u know how to use it. Anyway, i've tried
it's because first group matching white spaces as well.