Life & fun · 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. Regular Expressions in JavaScript – Interactive Course launched in 2021; newer entries below may have overtaken it.

1. 1RW
   Regexly – WYSIWYG Regex Playground for JavaScripters▲7

   2017 · regexly.chipto.io · its alternatives →

2. 2
   Regex library▲276

   A curated list of most commonly used regular expressions

   2022 · uibakery.io · its alternatives →

3. 3
   Regulex▲167

   Visualize Regular Expressions using Javascript

   2015 · jex.im · its alternatives →

4. 4
   Remarkable▲82

   a JavaScript Markdown and Commonmark parser

   2014 · github.com · its alternatives →

5. 5EP
   Efficient pattern matching for JavaScript▲5

   2017 · codemix.github.io · its alternatives →

6. 6
   Eloquent Javascript▲20

   A modern introduction to Javascript

   2014 · eloquentjavascript.net · its alternatives →

7. 7
   RegexLearn▲328

   Learn RegEx step by step, from zero to advanced

   2021 · regexlearn.com · its alternatives →

8. 8IW
   I wrote a book on JavaScript regular expressions▲7

   My example based guide on JavaScript regular expressions is free to download through this weekend [1][2] Code snippets, exercises, sample chapters, etc are available on GitHub repo [3] You can also get the book as part of free bundle [4] [1] https://gumroad.com/l/js_regexp [2] https://leanpub.com/js_regexp [3] https://github.com/learnbyexample/learn_js_regexp [4] https://leanpub.com/b/regex

   2019 · its alternatives →

9. 9
   Regex Crossword▲65

   Welcome to the fantastic world of nerdy regex fun!

   2016 · regexcrossword.com · its alternatives →

10. 10
    JavaScript Air: For the Beginners▲62

    Stories and wisdom from the panel, for beginner programmers

    2016 · javascriptair.com · its alternatives →

11. 11RE
    Regular Expression Generator▲5

    2016 · txt2re.com · its alternatives →

12. 12
    RegExr 2.0▲101

    Online tool to learn, build, & test Regular Expressions

    2014 · regexr.com · its alternatives →

13. 13
    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 →

14. 14JR
    JavaScript regex tester for macOS▲22

    2017 · regularity.co · its alternatives →

15. 15
    /^[a-z0-9_-]{3,16}$/▲106

    A podcast about regular expressions

    2020 · open.spotify.com · its alternatives →

16. 16IC
    Interactive Course on JavaScript Closures▲7

    2021 · slip.so · its alternatives →

17. 17LJ
    Learn Javascript by interactive coding▲5

    2012 · learnjs.info · its alternatives →

18. 18
    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 →

19. 19
    A minimal, native MacOS desktop app for checking regex matches▲39

    2018 · github.com · its alternatives →

20. 20
    Online Regex Tester for PHP, PCRE, Python, Golang and JavaScript▲21

    Online regex tester and debugger with real-time match highlighting, detailed explanations, substitutions, unit tests, benchmarking, and code generation. Supports PCRE2, JavaScript, Python, Go, Java, .NET, Rust, POSIX ERE, and POSIX BRE.

    2018 · regex101.com · its alternatives →

21. 21IJ
    Interactive JavaScript tutorial on closures and continuations▲6

    2011 · nathansjslessons.appspot.com · its alternatives →

22. 22
    Patterns▲2

    The simplest tool for working with regular expressions

    2015 · krillapps.com · its alternatives →

23. 23JR
    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 →

24. 24TE
    The Earl Grey language – pattern matching, macros, compiles to JS▲5

    2014 · breuleux.github.io · 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 →