Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I wrote a book on JavaScript regular expressions launched in 2019; newer entries below may have overtaken it.

1. 1IW
   I wrote a book on Python regular expressions▲193

   My book titled "Python re(gex)?" is free to download through this weekend [1][2] The book covers both 're' and 'regex' modules, has plenty of examples and chapters also have cheatsheets and exercises. Code snippets, exercises, sample chapters, etc are available on GitHub repo [3] I used pandoc+xelatex [4] to generate the pdf. [1] https://gumroad.com/l/py_regex [2] https://leanpub.com/py_regex [3] https://github.com/learnbyexample/py_regular_expressions [4]…

   2019 · its alternatives →

2. 2JR
   JavaScript regexp eBook with hundreds of examples and exercises▲10

   Hello. I updated my ebook on JavaScript regular expressions [1] today - updates include corrections, additional content, exercises, solutions, etc All my ebooks [2] are currently free to help with quarantine reading. These include GNU grep & ripgrep, GNU sed, GNU awk and three books on regular expressions - Python, Ruby, JavaScript I'd appreciate your feedback and hope the books are useful. Happy learning :) [1] https://github.com/learnbyexample/learn_js_regexp [2] https://learnbyexample.github.io/books/

   2020 · its alternatives →

3. 3
   Regex library▲276

   A curated list of most commonly used regular expressions

   2022 · uibakery.io · its alternatives →

4. 4
   Regex Cheatsheet▲499

   A modern regular expression playground with live matching, visual railroad diagrams, rich notes, and easy sharing.

   2020 · ihateregex.io · its alternatives →

5. 5IW
   I wrote a book on GNU grep and ripgrep▲182

   My book on "GNU grep and ripgrep" is free to download today and tomorrow [1][2] Code snippets, example files and sample chapters are available on GitHub [3] The book uses plenty of examples and regular expressions are also covered from scratch. The book is suitable for beginners as well as serves as a reference. Hope you find it useful, I would be grateful for your feedback and suggestions. I used pandoc+xelatex [4] to generate the pdf. [1] https://gumroad.com/l/gnugrep_ripgrep [2] https://leanpub.com/gnugrep_ripgrep [3]…

   2019 · its alternatives →

6. 6RF
   RegEx for Regular Folk – A visual, example-based introduction▲502

   2020 · refrf.shreyasminocha.me · its alternatives →

7. 7AE
   An eBook with hundreds of GNU Awk one-liners▲539

   Hi, I recently published my ebook on GNU awk one-liners [1]. It starts from the basics of awk syntax and then discusses one-liner examples. There's a chapter on regular expressions as well. The github repo has the details on how to get the PDF version, all the example files and code snippets used in the book, sample chapters as well the markdown source used to generate the PDF. I made all my ebooks [2] free last month amidst the pandemic fears. These include GNU grep & ripgrep, GNU sed and three books on regular expressions (Python, Ruby, JavaScript). I'd appreciate your feedback and hope…

   2020 · its alternatives →

8. 8
   i Hate Regex▲477

   regex cheatsheet for the haters

   2020 · ihateregex.io · its alternatives →

9. 9
   RegExr 2.0▲101

   Online tool to learn, build, & test Regular Expressions

   2014 · regexr.com · its alternatives →

10. 10
    RegexLearn▲328

    Learn RegEx step by step, from zero to advanced

    2021 · regexlearn.com · its alternatives →

11. 11RE
    Regular Expressions in JavaScript – Interactive Course▲6

    2021 · slip.so · its alternatives →

12. 12
    Improve your Python regex skills with 75 interactive exercises▲175

    Learn Python Regular Expressions step by step from beginner to advanced levels - py_regular_expressions/interactive_exercises at master · learnbyexample/py_regular_expressions

    2021 · github.com · its alternatives →

13. 13
    Learn Regular Expressions with simple, interactive exercises▲144

    RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions

    2020 · regexone.com · its alternatives →

14. 14
    Regex Crossword▲65

    Welcome to the fantastic world of nerdy regex fun!

    2016 · regexcrossword.com · its alternatives →

15. 15
    Practice Makes Regexp▲61

    50 exercises to help you master regular expressions

    2016 · practicemakesregexp.com · its alternatives →

16. 16
    /^[a-z0-9_-]{3,16}$/▲106

    A podcast about regular expressions

    2020 · open.spotify.com · its alternatives →

17. 17
    JavaScript.com▲217

    A free resource for learning and developing in JavaScript

    2015 · javascript.com · its alternatives →

18. 18
    Regulex▲167

    Visualize Regular Expressions using Javascript

    2015 · jex.im · its alternatives →

19. 19RW
    Regexly – WYSIWYG Regex Playground for JavaScripters▲7

    2017 · regexly.chipto.io · its alternatives →

20. 20
    Extended JavaScript Regular Expressions▲12

    Extended JavaScript regular expressions. Contribute to slevithan/xregexp development by creating an account on GitHub.

    2015 · github.com · its alternatives →

21. 21
    Awesome Regex▲10

    A curated list of the best regex tools, tutorials, etc.

    2024 · github.com · its alternatives →

22. 22
    Matches.js -- Powerful Pattern Matching for Javascript▲96

    Powerful pattern matching for Javascript. Contribute to natefaubion/matches.js development by creating an account on GitHub.

    2012 · github.com · its alternatives →

23. 23
    Get Regex▲140

    Get a custom regex expression made within 1 hour

    2016 · getregex.com · its alternatives →

24. 24JR
    JavaScript regex tester for macOS▲22

    2017 · regularity.co · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →