Clever, but it shouldn't be best practice as it would count "garbage" as "good".

(And yes, I know the kata doesn't have such inputs, but that isn't the point..)

Clever, I like it :)

I meant that he made the regex filter unique cases just like a set :)

(I on the other hand used both which is slower..)

Because you're probably using multiplication instead of division

bad ass

Cool one :)

oh for the love of god.. T_T

Great logic and attitude, keep that up! :)

It's literally my initials and last name, what does your user name stand for?

Fun kata, but the rules of how we should achieve the desired result could be a bit clearer

"Testing for 25027969" -> Johnny should definitely try the Olympics after all that running..

Almost the same as mine, but yours is more clever I admit! :)