Programmer Humor

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Oh boy what a beautiful regex. I'm sure it does something logical and easy to understand. (lemmy.world)

submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

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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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[–] [email protected] 6 points 3 weeks ago (1 children)

Regex should generally be avoided wherever possible.

[–] [email protected] 13 points 3 weeks ago (1 children)

Yeah but it's just so tempting... It validates so many inputs so easily...

[–] [email protected] 12 points 3 weeks ago (1 children)

And misses others you didn’t think about.

[–] [email protected] 6 points 3 weeks ago

Yeah, I've found myself wasting quite a lot of time thinking of the 'perfect regex' for task X only to realise that I could have avoided doing so by simply taking a different approach.