Alternatives

Products that do what A command line program for practicing/learning regular expressions does

1RE
Regular expression compilation visualized▲219
2021 · compiler.org
2LR
Learn Regular Expressions with simple, interactive exercises▲144
2020 · regexone.com
3WH
Wregex – How Regular Expression Engines Work▲19
2017 · wstoop.co.za
4IY
Improve your Python regex skills with 75 interactive exercises▲175
2021 · github.com
5
RegExr 2.0▲101
Online tool to learn, build, & test Regular Expressions
2014
6MR
my regular expression example match generator▲46
2010 · regexio.com
7EJ
Extended JavaScript Regular Expressions▲12
2015 · github.com
8CL
Command Line Challenge▲205
2017 · cmdchallenge.com
9RE
Regular Expression Generator▲5
2016 · txt2re.com
10XA
Xo, a sed-like command line utility that composes regex matches▲8
2016 · github.com
11AM
A minimal, native MacOS desktop app for checking regex matches▲39
2018 · github.com
12RE
Regular Expressions in JavaScript – Interactive Course▲6
2021 · slip.so
13NB
Non-backtracking, Unicode aware regular expression library in C89▲7
2024 · github.com
14UP
Using Parsing Expression Grammars to rewrite source code▲63
2016 · github.com
15EM
Eslisp – Minimal JavaScript S-expression syntax and macro system▲51
2015 · github.com
16
Regex.ai▲95
AI-powered regular expression generator
2023
17
/^[a-z0-9_-]{3,16}$/▲106
A podcast about regular expressions
2020
18PA
Pup – A command-line HTML parser▲126
2014 · github.com
19
RegViz▲84
Debugging regular expressions visually
2015
20OR
Online Regex Tester for PHP, PCRE, Python, Golang and JavaScript▲21
2018 · regex101.com
21RC
Regexp Crash Course▲16
2020 · regexpcrashcourse.com
22RW
Regexly – WYSIWYG Regex Playground for JavaScripters▲7
2017 · regexly.chipto.io
23XA
Xeger – A semantic regex builder in JavaScript▲14
2015 · github.com
24OS
Open-Source Parse (Startup School 2014)▲28
2014 · divide.io

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