Dev tools · alternatives · 2026
24 alternatives to Regex library
A curated list of most commonly used regular expressions
Regex library is a curated collection of commonly used regular expressions with code examples in JavaScript, Python, Java, C#, and PHP. It serves developers who need quick reference patterns for regular expression… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Regex library launched in 2022; newer entries below may have overtaken it.
- 1RF
2020 · refrf.shreyasminocha.me · its alternatives →
- 2
Regex Cheatsheet▲499A modern regular expression playground with live matching, visual railroad diagrams, rich notes, and easy sharing.
2020 · ihateregex.io · its alternatives →
- 3
RegExr 2.0▲101Online tool to learn, build, & test Regular Expressions
2014 · regexr.com · its alternatives →
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RegexLearn▲328Learn RegEx step by step, from zero to advanced
2021 · regexlearn.com · its alternatives →
- 6IW
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 →
- 7
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 →
- 8RE
2021 · compiler.org · its alternatives →
- 9
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 →
- 10
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 →
- 11
A curated list of the best regex tools, tutorials, etc.
2024 · github.com · its alternatives →
- 12
- 13
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 →
- 14
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Readble Regex▲130Regex REST API for easier codebase maintenance of regex
2025 · readable-regex-8d81b79167bf.herokuapp.com · its alternatives →
- 16
Regex syntax and resources to power up your programming
2021 · github.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 →
- 20IW
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 →
- 21
Expressions▲233An app to play with regular expressions. Easily and nicely.
2016 · apptorium.com · its alternatives →
- 22
Extended JavaScript regular expressions. Contribute to slevithan/xregexp development by creating an account on GitHub.
2015 · github.com · its alternatives →
- 23
Premium digital studio crafting modern websites, web apps, mobile apps, and digital experiences for ambitious brands worldwide.
2010 · regexio.com · its alternatives →
- 24
Go library that provides fuzzy string matching optimized for filenames and code symbols in the style of Sublime Text, VSCode, IntelliJ IDEA et al. - sahilm/fuzzy
2018 · 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 →