Dev tools · alternatives · 2026
24 alternatives to Online Regex Tester for PHP, PCRE, Python, Golang and JavaScript
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.
Regular Expressions 101 is an online regex tester and debugger supporting multiple programming languages including PCRE2, JavaScript, Python, Go, Java, .NET, Rust, and POSIX variants. It features real-time match… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Online Regex Tester for PHP, PCRE, Python, Golang and JavaScript launched in 2018; newer entries below may have overtaken it.
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RegExr 2.0▲101Online tool to learn, build, & test Regular Expressions
2014 · regexr.com · its alternatives →
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Regex Cheatsheet▲499A modern regular expression playground with live matching, visual railroad diagrams, rich notes, and easy sharing.
2020 · ihateregex.io · its alternatives →
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Regex library▲276A curated list of most commonly used regular expressions
2022 · uibakery.io · its alternatives →
- 4RF
2020 · refrf.shreyasminocha.me · its alternatives →
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RegexLearn▲328Learn RegEx step by step, from zero to advanced
2021 · regexlearn.com · its alternatives →
- 7IW
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 →
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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 →
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2018 · github.com · its alternatives →
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Python to Regex. Regex to Python. The yRegex for humans. - iogf/crocs
2017 · github.com · its alternatives →
- 14
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 →
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- 16SC
2020 · grep.app · its alternatives →
- 17RE
2021 · compiler.org · its alternatives →
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- 19JR
2017 · regularity.co · its alternatives →
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Cyrilex▲7Online visual regex tester for Python, PHP, Ruby & more
Nov 2025 · extendsclass.com · its alternatives →
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RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions
2020 · regexone.com · its alternatives →
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AutoRegex▲61Convert English to RegEx with Natural Language Processing
2022 · autoregex.xyz · 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 →