This is the only solution without regex. I have spent some time on it. I took me a while without knowing the reg expressions. You have got better code.

And the explanation to the task with the three answers was unclear.

I'm not really sure what you are talking about here. Care to elaborate?

hahaha perfect

On the back, it could say "Needs random tests!" :-)

I like it!

Thanks for reporting. It looks to have been an issue with our socket provider. I am working on making the socket connection optional so that it doesn't affect things again.

Hey guys, I think your code runner is down again. Your site status page hasn't registered it yet, but I'm not able to run any tests...

Could i download somewhere a color theme like on Codewars for Sublime Text 2?

I think ranking should have minimal requirements like for example at least 5 points to be there. Then percentile value of our position should be more rational.