Nice code

How did you come up with a solution that long, even after deciding to convert to int and back?

How does this work?

Elegant solution. I'm ashamed with mine long and rigid approach.

It's a worth considering сompound expression.

Nice solution! Mine similar, however I've used regex.

Yeeees!

Same problem. Any hint how to resolve it?

Thank you for kata, ExaStencil! Well done. Frankly speaking it took me a while to solve it via googling. And as usual, at some point when you are desperate - you hate kata! And as a result want to downvote specific kata, however when I've solved it, I had quick senses of emotional catharsis! Definitely I've got some knowledge and experience. Cheers! P.s. it's 8 kyu kata!

Nice kata! Cheers!