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Regular expressions are text strings formed in a particular syntax that is used in various tools and programming languages for searching text patterns within text. The sites in this section focus on tools designed to help create, test and manage regular expressions.

Resources in This Category

• Debuggex

  https://www.debuggex.com/
  Regex debugging tool. Features visual representations of regular expressions and sliders allowing users to step through test strings.

• Exploring Ruby’s Regular Expression Algorithm

  http://patshaughnessy.net/2012/4/3/exploring-rubys-regular-expression-algorithm
  Blog post about Onigurama, Ruby's regex engine. Discusses the mechanics of the engine.

• JRX

  http://www.cuneytyilmaz.com/prog/jrx/
  Online JavaScript regex tester. Features samples and multiple modes.

• PCRE Workbench

  http://www.renatomancuso.com/software/pcreworkbench/pcreworkbench.htm
  Windows program to test PCRE expressions. Features screenshots, manual and download links.

• Reg-Exp.com

  http://reg-exp.com/
  Features brief regex reference, interactive tutorial and tester.

• Regex Storm

  http://regexstorm.net/
  .NET regular expressions tester. Features regex reference, displays matches, position and split list.

• Regex Studio

  http://regexstudio.codeplex.com/
  Regex builder for .NET expressions. Features screenshots and documentation.

• Regex Tester

  http://www.regextester.com/
  Online regex tester that supports JavaScript and PCRE. Includes pattern examples and syntax reference.

• Regex Treeer

  http://cliversoft.com/products/regextreeer/index.php
  Open-source Windows software aiming to solve complex parsing tasks by applying multiple regular expressions. Includes screenshots and documentation.

• Regex101

  https://regex101.com/
  Online regex tester for PHP, PCRE, JavaScript and Python that highlights pattern and matches on the fly.

• RegexBuddy

  http://www.regexbuddy.com/
  Commercial tool for creating, testing and implementing regular expressions in over twenty regex flavors. Features detailed manual, screenshots and demos.

• Regexe

  http://www.regexe.com/
  Online regex tester. Features text replacement.

• RegexPal

  http://www.regexpal.com/
  JavaScript regex tester. Highlights matches on the fly.

• RegexPlanet

  http://www.regexplanet.com/
  Multi-language online regular expression tester. Supports Go, Haskell, Java, JavaScript, .Net, Perl, PHP, Python, Ruby, Tcl and XRegExp.

• RegExpr for VB & VBA

  http://www.aivosto.com/regexpr.html
  Commercial code module that provides regex support in Visual Basic 5 and 6. Includes tutorial and demo.

• RegExr

  http://regexr.com/
  Online regex tester. Features multiple modes and library of patterns submitted by users.

• RegJex

  http://regjex.com/
  Regex tester that uses PHP's preg_match function. Features color-coded box indicating the match status of properly delimited patterns on test strings.

• Regular Expression Tester

  http://www.pagecolumn.com/tool/regtest.htm
  Online JavaScript and Perl-like regex tool. Displays matches, generates JavaScript and PHP code.

• Regular Expression Tester

  http://www.roblocher.com/technotes/regexp.html
  Basic JavaScript regex tester. Highlights matches.

• Regular Expression Tool

  http://regex.larsolavtorvik.com/
  Online regex tester that supports PCRE, POSIX and Javascript flavors. Features multiple modes, replacement, highlighting on the fly.

• Regulator

  http://osherove.com/tools
  Windows regex builder that matches, replaces and splits. Includes download and source.

• Rex Daemon

  http://www.rex-daemon.com/
  Server software providing an API to extract data from databases and other inputs using regular expressions. Includes download link, tutorial and reference guide.

• Rubular

  http://rubular.com/
  Online Ruby regex tester. Highlights matches on the fly.

• Ruby-Doc

  http://www.ruby-doc.org/core-1.9.3/Regexp.html
  Documentation for Ruby's Regexp class. Covers syntax, performance, methods.

• System.Text.RegularExpressions

  http://www.systemtextregularexpressions.com/
  .NET regex tester and debugger. Includes library of regular expressions.

• The Regex Coach

  http://weitz.de/regex-coach/
  Windows PCRE expression builder. Includes screenshot, manual and download links.

• Txt2re

  http://www.txt2re.com/
  Online graphical regex generator. Lets users select string components to be matched and generates corresponding regular expressions.

• Visual RegExp

  http://laurent.riesterer.free.fr/regexp/
  Graphical regex tester. Features Windows and Tcl versions.

 

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