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Dev tools · alternatives · 2026

24 alternatives to Regexp Crash Course

A free 14-part email course in Python regexps: character classes, quantifiers, groups, anchors, and re.search, re.findall and re.sub, with daily exercises.

Regexp Crash Course is a learning resource for understanding regular expressions. Launched in 2020, it provides instruction on how to work with regex patterns and syntax. The course is designed for anyone looking to… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Regexp Crash Course launched in 2020; newer entries below may have overtaken it.

  1. 1

    Learn RegEx step by step, from zero to advanced

    2021 · regexlearn.com · its alternatives →

  2. 2

    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 →

  3. 3IW

    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 →

  4. 4

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

    2020 · ihateregex.io · its alternatives →

  5. 5RF
  6. 6

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

    2020 · regexone.com · its alternatives →

  7. 7

    Online tool to learn, build, & test Regular Expressions

    2014 · regexr.com · its alternatives →

  8. 8

    :speech_balloon: Machine Learning Course with Python: - GitHub - instillai/machine-learning-course: :speech_balloon: Machine Learning Course with Python:

    2019 · github.com · its alternatives →

  9. 9

    A curated list of most commonly used regular expressions

    2022 · uibakery.io · its alternatives →

  10. 10

    Regex.ai is an AI-powered tool that generates regular expressions. It can accurately generate regular expressions that match specific patterns in text with precision. Whether you're a novice or an expert, Regex.ai's intuitive interface makes it easy to input sample text and generate complex regular expressions quickly and efficiently. Overall, Regex.ai is a game-changer that will save you time and streamline your workflow.

    2023 · regex.ai · its alternatives →

  11. 11

    Outlines is a Python library that focuses on text generation with large language models. Brandon and I are not LLM experts and started the project a few months ago because we wanted to understand better how the generation process works. Our original background is probabilistic, relational and symbolic programming. Recently we came up with a fast way to generate text that matches a regex (https://blog.normalcomputing.ai/posts/2023-07-27-regex-guide...). The basic idea is simple: regular expressions have an equivalent Deterministic-Finite Automaton (DFA) representation. We…

    2023 · github.com · its alternatives →

  12. 12

    regex cheatsheet for the haters

    2020 · ihateregex.io · its alternatives →

  13. 13

    Python to Regex. Regex to Python. The yRegex for humans. - iogf/crocs

    2017 · github.com · its alternatives →

  14. 14

    50 exercises to help you master regular expressions

    2016 · practicemakesregexp.com · its alternatives →

  15. 15

    2017 · craftinginterpreters.com · its alternatives →

  16. 16PA

    TL;DR: https://pyflo.net is a free, interactive guide to learning Python Hi Everyone, I am a CS educator who has taught a variety of university courses, including many on introductory Python programming. Over the past few years, I've written down a number of Python programming lessons and has culminated into Pyflo.net. This tool is a completely free, introductory guide to learning Python. It is more-or-less an intro programming textbook, but with a few twists, including: * It is totally free. You don't even have to give me your email to use it * The lessons are short and…

    2023 · pyflo.net · its alternatives →

  17. 17RE
  18. 18
    Regxr▲151

    A minimal, lightweight MacOS desktop app for RegEx

    2018 · github.com · its alternatives →

  19. 19

    Hi HN: I published part one of my free NLP course. The course is intended to help anyone who knows Python and a bit of math go from the very basics all the way to today's mainstream models and frameworks. I strive to balance theory and practice and so every module consists of detailed explanations and slides along with a Colab notebook (in most modules) putting the theory into practice. In part one, we cover text preprocessing, how to turn text into numbers, and multiple ways to classify and search text using "classical" approaches. And along the way, we'll pick up useful bits on how to use…

    2022 · nlpdemystified.org · its alternatives →

  20. 20

    An extension of regular expressions for text editing, with a grep-like command-line tool. If you, like me, struggle with group logic in regular expressions, you might find it useful. I wanted to do this for a very long time. It is more of a sketch or prototype. I'd really appreciate your feedback!

    2025 · github.com · its alternatives →

  21. 21

    Welcome to the fantastic world of nerdy regex fun!

    2016 · regexcrossword.com · its alternatives →

  22. 22

    I'm sorry/not sorry for creating this.

    2022 · thetypingoftheregex.com · its alternatives →

  23. 23

    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 →

  24. 24IW

    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 →

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