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@NateNate60@lemmy.world to Programmer Humor@lemmy.ml •
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8 months ago

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

lemmy.world

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

lemmy.world

@NateNate60@lemmy.world to Programmer Humor@lemmy.ml •
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8 months ago
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^.?$|^(..+?)\1+$

<answer>

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

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

  • @yrmp@lemmy.world
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    11•8 months ago

    Regex should generally be avoided wherever possible.

    • @NateNate60@lemmy.worldOP
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      11•8 months ago

      Yeah but it’s just so tempting… It validates so many inputs so easily…

      • @yrmp@lemmy.world
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        11•8 months ago

        And misses others you didn’t think about.

        • @gwilikers@lemmy.ml
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          5•8 months 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.

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