Why does it work on my computer but don't work In this app?

Question

https://code.sololearn.com/chegZ857ey4t/?ref=app

Answer 1

its working for me, somehow

https://code.sololearn.com/cao4Vx97lNin/?ref=app

Answer 2

doesn't work, it could be that the app doesn't want to work with import re?

Answer 3

Thank you very much, I don't think I noticed any error in the correction.

Answer 4

remove last OR in the regex pattern. ('/|, | ')

it seems using | at the end of pattern make them match to everything.
its just a speculation though, its my first time to see that kind of behavior