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<!--
Title: Awesome Regex
Description: A curated list of amazingly awesome regex resources.
Author: aloisdg
-->
# Awesome Regex
## Introduction
A curated collection of awesome Regex libraries, tools, frameworks and software. The goal is to build a categorized community-driven collection of very well-known resources.
Inspired by [awesome-dotnet](https://github.com/quozd/awesome-dotnet), [awesome-ruby](https://github.com/markets/awesome-ruby), [awesome-awesomeness](https://github.com/bayandin/awesome-awesomeness) and the whole `awesome-*` trend on GitHub. Thank you [Reddit](http://www.reddit.com/r/regex), [HackerNews](https://news.ycombinator.com/item?id=9581225) and [StackOverflow](http://stackoverflow.com/tags/regex/info) for the help.
Sharing, suggestions and contributions are always welcome! Please take a look at the [contribution guidelines and quality standard](https://github.com/aloisdg/awesome-regex/blob/master/CONTRIBUTING.md) first. Thanks to all contributors, you're awesome and wouldn't be possible without you!
## Table Of Contents
- [Documentation](#documentation)
- [Prototyping and Test](#prototyping-and-test)
- [Generator](#generator)
- [Learning](#learning)
- [Library](#library)
- [Explaination](#explaination)
- [Exercice](#exercice)
- [Tips & Tricks](#tips--tricks)
- [Books](#books)
## Documentation
- [Regular Expression Language - Quick Reference](https://msdn.microsoft.com/en-us/library/az24scfc(v=vs.110).aspx) - MSDN documentation about Regex
- [Regular Expressions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions) - MDN chapter about JavaScript regular expressions
- [Perl Regular Expression Syntax](http://www.boost.org/doc/libs/1_43_0/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html) - Boost documentation
## Prototyping and Test
- [Debuggex](https://www.debuggex.com/) - An online visual regex tester
- [RegExr](http://regexr.com/) - A website for interactive regex prototyping with syntax highlighting (by @gskinner)
- [Regex101](https://regex101.com/) - An online regex tester, debugger with highlighting
- [Rubular](http://rubular.com/) - A Ruby-based regular expression editor and tester
- [Rex V](http://www.rexv.org/) - An AJAX Regular EXpression eValuator
- [RegViz](http://regviz.org/) - A tool for debugging JavaScript regular expressions in a visual way
- [reWork](http://osteele.com/tools/rework/) - A regular expression workbench
- [Regulex](https://jex.im/regulex) - A JavaScript Regular Expression Visualizer
- [PyRegex](http://www.pyregex.com/) - An online regex tester to check validity of regexp in the Python language regex subset
- [pythex](http://pythex.org/) - A quick way to test your Python regular expressions
- [Regexper](http://regexper.com/) - A regex visualizer for JavaScript using railroad diagrams
- [HiFi Regex Tester](http://www.gethifi.com/tools/regex) - Live JavaScript Regular Expression Tester
- [Regex Storm](http://regexstorm.net/tester) - A .NET regex tester with highlighting and detailed results output
## Generator
- [Txt2Re](http://www.txt2re.com/index.php3) - Generate Regular expressions based on a string
- [Regex Generator++](http://regex.inginf.units.it) - An Automatic Generation of Text Extraction Patterns from Examples
- [RegexGenerator](f a tool for generating regular expressions for text extraction) - A tool for generating regular expressions for text extraction (by @MaLeLabTs)
## Learning
- [Wikipedia][d1] - Entry on regular expressions
- [Learn Regex The Hard Way][d2] - An in-progress book that quickly teaches you regular expressions.
- [Regular Expression Matching Can Be Simple And Fast][d3] - Basic concept of how RegEx parsing works
- [PDF] [A Tao Of Regular Expressions][d4] - What are Regular Expressions
- [Regular-Expressions.info][d5] - An informative website for learning regular expressions
- [RexEgg][d6] - A regular expressions tutorial that goes deep into advanced features
- [Try Regex][d7] - Try Regex is an interactive regular expressions tutorial
- [Udemy][d8] - A Basic Introduction To Using Regular Expressions In Programming
- [Codecademy][d9] - How to use of regular expression
- [Regex golf][d10] - Regex golf with Peter Norvig
[d1]: http://en.wikipedia.org/wiki/Regular_expression
[d2]: http://regex.learncodethehardway.org/book/
[d3]: http://swtch.com/~rsc/regexp/regexp1.html
[d4]: http://www.cs.colorado.edu/~schenkc/UNIX_Regular_Expressions.pdf
[d5]: http://www.regular-expressions.info/
[d6]: http://www.rexegg.com/
[d7]: http://tryregex.com/
[d8]: https://www.udemy.com/learning-regular-expressions/
[d9]: http://www.codecademy.com/courses/javascript-intermediate-en-NJ7Lr/0/1
[d10]: https://www.oreilly.com/learning/regex-golf-with-peter-norvig
## Library
- [Go-Restructure](https://github.com/alexflint/go-restructure) - Match regular expressions into struct fields in Go (by @alexflint) [js](https://github.com/benjamingr/js-restructure) [C#](https://gist.github.com/benjamingr/4de21494b3e76088e5f7)
- [VerbalExpressions](https://github.com/VerbalExpressions) - VerbalExpressions is a cross-language library that helps to construct difficult regular expressions.
## Explanation
- [Explain.pl](http://rick.measham.id.au/paste/explain.pl) - Explain Regular Expressions
## Exercise
- [Redoku](http://padolsey.github.io/redoku/) - Little Regex Sudoku/Crossword thing (by @padolsey)
- [Regex Tuesday - Challenges](https://github.com/callumacrae/regex-tuesday) - Challenge list about Regex
- [Regex Crossword](http://regexcrossword.com) - A crossword puzzle game using regular expressions
- [RegexOne](http://regexone.com) - Learn regular expressions with simple, interactive examples
- [Regular Expression Crossword Puzzle](http://gregable.com/2015/12/regular-expression-crossword-puzzle.html) - A crossword puzzle with a neat web interface.
## Articles
- [5 Techniques to Improve Regex Performance](https://www.loggly.com/blog/five-invaluable-techniques-to-improve-regex-performance/) - Craft your own powerful, yet efficient regex
- [The Bad, the Better, and the Best](https://www.loggly.com/blog/regexes-the-bad-better-best/) - How a few characters can make a difference in performance
- [The Greatest Regex Trick Ever](http://www.rexegg.com/regex-best-trick.html) - So you're doubtful at the mention of a "best regex trick"?
- [RegExLib](http://regexlib.com/) - Regular Expression Library (5000+ indexed expressions)
## Books
- [Beginning Regular Expressions](http://shop.oreilly.com/product/9780764574894.do) - Andrew Watt (2005)
- [Mastering Regular Expressions](http://shop.oreilly.com/product/9780596528126.do) - Jeffrey E.F. Friedl (2006)
- [Regular Expression Pocket Reference](http://shop.oreilly.com/product/9780596514273.do) - Tony Stubblebine (2007)
- [Introducing Regular Expressions](http://shop.oreilly.com/product/0636920012337.do) - Michael Fitzgerald (2012)
- [Regular Expressions Cookbook](http://shop.oreilly.com/product/0636920023630.do) - Jan Goyvaerts & Steven Levithan (2012)
- [Mastering Python Regular Expressions](http://shop.oreilly.com/product/9781783283156.do) - Felix Lopez & Victor Romero (2014)
- [JavaScript Regular Expressions](http://shop.oreilly.com/product/9781783282258.do) - Loiane Groner & Gabriel Manricks (2015)
# Other awesome lists
Other amazingly awesome lists can be found in the [awesome-awesomeness](https://github.com/bayandin/awesome-awesomeness) list, the [awesome](https://github.com/sindresorhus/awesome) list or if you want [more lists](https://github.com/jnv/lists).
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