Hi, thanks for your comment, you highlighted a problem with my code that I have now addressed

thanks for pointing this out, I have just created a test case with '_'.

thanks I have altered the description in response to this

Thanks for your feedback, I have altered the random tests and the test cases accordingly

thanks for your feedback, I have updated the kata

thanks! I have another kata that I have just responded to issues for. I now think it is good enough to be approved if you want to have a look at that? (i would really appreciate it!)
https://www.codewars.com/kata/59f77ab881b4efdd1c00017a

Thanks for your feedback, I have just added random tests

This is really helpful feedback, I have updated the kata in response to this - so I believe the issue is now resolved

I have added some extra test cases so hopefully this is now resolved.

thanks for your feedback