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title: "Discussion on \"Mastering Regular Expressions (Regex): A Beginner's Guide\" | Hashnode"
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# [Mastering Regular Expressions (Regex): A Beginner's Guide](https://blog.vedangi.com/mastering-regular-expressions-regex-a-beginners-guide?utm_source=hashnode&utm_medium=feed)

Have you ever tried searching for a specific word in a document, but it's buried among a sea of text? Or perhaps you've wanted to validate email addresses in a form, but it seems like an impossible task. That's where Regular Expressions, or Regex, co...

Nov 2, 2023 · 3 min read · blog.vedangi.com  
Updated Nov 3, 2023  
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-   [#python](https://hashnode.com/tag/python)
-   [#regex](https://hashnode.com/tag/regex)
-   [#beginners](https://hashnode.com/tag/beginners)

## Written by

[Vedangi Thokal](https://hashnode.com/@vedangit)

@vedangit

  
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## Responses 2

Markdown supported · ⌘↵ to post

[Atharva](https://hashnode.com/@at-the-vr)

[Nov 3, 2023](https://hashnode.com/posts/mastering-regular-expressions-regex-a-beginners-guide/6543c6a4521068c5a8ff3d90/comment/654519ba31ab12d0f49ef3ad)

If point 1 says . is used to find any character, shouldn't .a. be used to find cat, hat and bat etc

[Vedangi Thokal](https://hashnode.com/@vedangit)

[Nov 3, 2023](https://hashnode.com/posts/mastering-regular-expressions-regex-a-beginners-guide/6543c6a4521068c5a8ff3d90/comment/654519ba31ab12d0f49ef3ad#reply-654527ec31ab12d0f49ef5a2)

woops, sorry for the error. Updated now. Thanks for pointing it out!

[Kyusiv](https://hashnode.com/@kyusiv)

[Nov 2, 2023](https://hashnode.com/posts/mastering-regular-expressions-regex-a-beginners-guide/6543c6a4521068c5a8ff3d90/comment/6543cc3b87cb01c1e88c2e9f)

regex is underrated