Why "MCMXC" + "MMVIII" !== 4218 ???
[ 1000, 100, 1000, 10, 100, 1000, 1000, 5, 1, 1, 1 ]

i think it's 7 kyu...

hehe very good :D

???

I think it's max 6 kyu...

7, max 6kyu.

Thanks for information. I improved my tests. Comma have to be inside

Thanks for information. I improved my tests.

thanks

I think it's max 6kyu... one line of code...

thanks

I know that you know it :)
I write information to others - beginners.

\w === A-z0-9_ // In Kata can't be "_"

I also thought that 7kyu...

Thanks for comments, i corrected description.