my teacher taught me this way but it's been a while i forget it

No need for parentheses as 'and' has priority over 'or'. Readability for humans suffer though :)

You can remove "else" at the end

The same

Notif.

Why *2? Please, explaine someone 🙏

Brilliant

good.

succinctly

It doesnt work for '1234\n' (says True). Will have to use \A and \Z, not ^ and $

thank you very much. I had no prior familiarty with regex and tbh I'm still a total noob in this whole programming think. thank you for the effort tho. It was really helpful and informative.

I don't get it at all

damn regexers always shining through everything ;D

Cool, two good solutions for this problem. Thanks guys!