Alternatives

Products that do what Regex Tester does

Real-time regex testing for developers

1. 1
   Regex Tester Pro▲6

   Online regular expression testing tool

   Sep 2025

2. 2
   RegExr 2.0▲101

   Online tool to learn, build, & test Regular Expressions

   2014

3. 3RC
   Regex Cheatsheet▲499

   2020 · ihateregex.io

4. 4RA
   Regex.ai – AI-powered regular expression generator▲294

   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

5. 5
   RegexLearn▲336

   Learn RegEx step by step, from zero to advanced

   2021

6. 6
   Regxr▲151

   A minimal, lightweight MacOS desktop app for RegEx

   2018

7. 7RF
   RegEx for Regular Folk – A visual, example-based introduction▲502

   2020 · refrf.shreyasminocha.me

8. 8
   Get Regex▲140

   Get a custom regex expression made within 1 hour

   2016

9. 9
   Regex library▲276

   A curated list of most commonly used regular expressions

   2022

10. 10
    Regulex▲167

    Visualize Regular Expressions using Javascript

    2015

11. 11
    Font Tester▲280

    Elevate your landing page with better Typography

    2024

12. 12
    RegEx Helper▲112

    Free AI powered RegEx generator

    2024

13. 13
    i Hate Regex▲471

    regex cheatsheet for the haters

    2020

14. 14OR
    Online Regex Tester for PHP, PCRE, Python, Golang and JavaScript▲21

    2018 · regex101.com

15. 15
    Expressions▲233

    An app to play with regular expressions. Easily and nicely.

    2016

16. 16IY
    Improve your Python regex skills with 75 interactive exercises▲175

    2021 · github.com

17. 17RE
    Regular expression compilation visualized▲219

    2021 · compiler.org

18. 18
    Regex.ai▲95

    AI-powered regular expression generator

    2023

19. 19
    AbTest.io▲122

    A free url shortener with A/B testing features

    2017

20. 20
    Readble Regex▲130

    Regex REST API for easier codebase maintenance of regex

    2025

21. 21
    RegexBot▲165

    Easily convert natural language to RegEx using AI

    2024

22. 22
    JSON Formatter & Regex Tester–Free Tools▲2

    Format JSON, test regex, and debug faster in your browser.

    Feb 2026 · aitoolsfordev.com

23. 23
    Cyrilex▲7

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

    Nov 2025 · extendsclass.com

24. 24AM
    A minimal, native MacOS desktop app for checking regex matches▲39

    2018 · github.com

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