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.


founded 1 year ago
MODERATORS
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Regex Crossword (regexcrossword.com)
submitted 1 year ago by [email protected] to c/[email protected]
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new mod 2 (programming.dev)
submitted 1 year ago by [email protected] to c/[email protected]
 
 

Hi all I am also a new mod for the regex community! Let's make this place shine :)

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New Mod (programming.dev)
submitted 1 year ago by [email protected] to c/[email protected]
 
 

Hello~ I'm one of the new mods for c/regex

I'll try my best to keep this community a safe place where people can find good regex101 information without having to deal with any toxic nonsense!

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Regular Expression Tutorial (coding-boot-camp.github.io)
submitted 1 year ago by [email protected] to c/[email protected]
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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.