this post was submitted on 03 Jul 2023
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RegEx

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Welcome to the RegEx community! This is a place where you can learn about and get help with regular expressions

A regular expression is a sequence of characters that specifies a match pattern in text. Theyre usually used for find, or find and replace operations on strings, or for input validation.

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PSA: Use Chat-GPT for writing and interpreting regex patterns for your convenience. (self.regex)
submitted 1 year ago by varsock to c/regex
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With all the strengths and shortcomings of Chat-GPT, I wanted to share one consistent strength I found it has when working with regex.

  • You can ask it to generate regex patterns for known and custom things.
    • If you are skeptical it is correct (like me), you can ask it to break down the pattern and inspect why the decisions were made. If I don't understand some fields, I type up a quick test and make sure it covers all edge cases.
  • And my personal favorite, you can paste a regex and ask it to tell you what it matches to. No more writing regex and forgetting what they are for!

I don't always have the opportunity to use regex when I work and would shy away from it because it can become illegible, but now that it is so easy I find I am slapping it everywhere and I cutting down on logic when sanitizing inputs/data. The bonus is now that I'm using it more, I am becoming less reliant on having it be generated for me.

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[โ€“] varsock 4 points 1 year ago

Stuff you have to relearn every time you have to use it

๐Ÿ˜‚ If I could summarize my engineering career, that would be the one liner.