this post was submitted on 31 Oct 2024
325 points (97.7% liked)

Programmer Humor

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Post funny things about programming here! (Or just rant about your favourite programming language.)

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^.?$|^(..+?)\1+$

Matches strings of any character repeated a non-prime number of times

https://www.youtube.com/watch?v=5vbk0TwkokM

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[โ€“] Ephera@lemmy.ml 3 points 4 days ago (1 children)

I thought, the +? was going to be a syntax error. ๐Ÿ™ƒ

[โ€“] Feathercrown@lemmy.world 3 points 4 days ago

I was like, why specify "one or more" and then make it optional? Isn't that just .*?