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.
Debuggex
Regex debugging tool. Features visual representations of regular expressions and sliders allowing users to step through test strings.
Exploring Ruby’s Regular Expression Algorithm
Blog post about Onigurama, Ruby's regex engine. Discusses the mechanics of the engine.
JRX
Online JavaScript regex tester. Features samples and multiple modes.
PCRE Workbench
Windows program to test PCRE expressions. Features screenshots, manual and download links.
Reg-Exp.com
Features brief regex reference, interactive tutorial and tester.
The Regex Coach
Windows PCRE expression builder. Includes screenshot, manual and download links.
Regex Storm
.NET regular expressions tester. Features regex reference, displays matches, position and split list.
Regex Studio
Regex builder for .NET expressions. Features screenshots and documentation.
Regex Tester
Online regex tester that supports JavaScript and PCRE. Includes pattern examples and syntax reference.
Regex Treeer
Open-source Windows software aiming to solve complex parsing tasks by applying multiple regular expressions. Includes screenshots and documentation.
Regex101
Online regex tester for PHP, PCRE, JavaScript and Python that highlights pattern and matches on the fly.
RegexBuddy
Commercial tool for creating, testing and implementing regular expressions in over twenty regex flavors. Features detailed manual, screenshots and demos.
Regexe
Online regex tester. Features text replacement.
RegexPal
JavaScript regex tester. Highlights matches on the fly.
RegexPlanet
Multi-language online regular expression tester. Supports Go, Haskell, Java, JavaScript, .Net, Perl, PHP, Python, Ruby, Tcl and XRegExp.
RegExpr for VB & VBA
Commercial code module that provides regex support in Visual Basic 5 and 6. Includes tutorial and demo.
RegExr
Online regex tester. Features multiple modes and library of patterns submitted by users.
RegJex
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
Online JavaScript and Perl-like regex tool. Displays matches, generates JavaScript and PHP code.
Regular Expression Tester
Basic JavaScript regex tester. Highlights matches.
Regular Expression Tool
Online regex tester that supports PCRE, POSIX and Javascript flavors. Features multiple modes, replacement, highlighting on the fly.
Regulator
Windows regex builder that matches, replaces and splits. Includes download and source.
Rubular
Online Ruby regex tester. Highlights matches on the fly.
Ruby-Doc
Documentation for Ruby's Regexp class. Covers syntax, performance, methods.
System.Text.RegularExpressions
.NET regex tester and debugger. Includes library of regular expressions.
Txt2re
Online graphical regex generator. Lets users select string components to be matched and generates corresponding regular expressions.
Visual RegExp
Graphical regex tester. Features Windows and Tcl versions.
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Last update:
September 22, 2016 at 4:45:08 UTC
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