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Dev tools · alternatives · 2026

24 alternatives to Cyrilex

Online visual regex tester for Python, PHP, Ruby & more

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Online tool to learn, build, & test Regular Expressions

    2014 · regexr.com · its alternatives →

  2. 2

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

    2020 · ihateregex.io · its alternatives →

  3. 3
    Regulex▲167

    Visualize Regular Expressions using Javascript

    2015 · jex.im · its alternatives →

  4. 4

    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 →

  5. 5RE
  6. 6RF
  7. 7

    A curated list of most commonly used regular expressions

    2022 · uibakery.io · its alternatives →

  8. 8

    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 →

  9. 9

    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 →

  10. 10

    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 →

  11. 11

    Free AI powered RegEx generator

    2024 · regex.fav83.com · its alternatives →

  12. 12

    Online regular expression testing tool

    2025 · its alternatives →

  13. 13IW

    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 →

  14. 14
    Regxr▲151

    A minimal, lightweight MacOS desktop app for RegEx

    2018 · github.com · its alternatives →

  15. 15

    regex cheatsheet for the haters

    2020 · ihateregex.io · its alternatives →

  16. 16
    Vigex▲24

    No more frustration while writing regular expressions

    2022 · vigex.netlify.app · its alternatives →

  17. 17

    Learn RegEx step by step, from zero to advanced

    2021 · regexlearn.com · its alternatives →

  18. 18

    A syntax-highlighting pager for git, diff, grep, rg --json, and blame output - dandavison/delta

    2020 · github.com · its alternatives →

  19. 19
    Ai Regex▲177

    AI-driven regular expression generator

    2024 · airegex.pro · its alternatives →

  20. 20
    RegViz▲84

    Debugging regular expressions visually

    2015 · regviz.org · its alternatives →

  21. 21

    AI-powered regular expression generator

    2023 · regex.ai · its alternatives →

  22. 22

    Premium digital studio crafting modern websites, web apps, mobile apps, and digital experiences for ambitious brands worldwide.

    2010 · regexio.com · its alternatives →

  23. 23

    Regex syntax and resources to power up your programming

    2021 · github.com · its alternatives →

  24. 24

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

    2017 · github.com · its alternatives →

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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 →