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cm0002@lemmy.world to Programmer Humor@programming.dev · 4 months ago

what debugging regex feels like

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what debugging regex feels like

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cm0002@lemmy.world to Programmer Humor@programming.dev · 4 months ago
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68
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  • exu@feditown.com
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    4 months ago

    I usually do

    # What we are doing (high level)
    # Why we need regex
    # Regex step by step
    # Examples of matches
    regex
    

    And I still rewrite it the next time

    • InnerScientist@lemmy.world
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      4 months ago
      // abandon all hope ye who commit here
      (?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])
      

      Edith: damit, Not the first to post this abomination

      • Problem-based person@lemmy.dbzer0.com
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        4 months ago

        https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags

      • Fungah@lemmy.world
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        4 months ago

        I haven’t laughed so hard in a month. Thank you for that.

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