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.
More information
More information
Sites 24
Regex debugging tool. Features visual representations of regular expressions and sliders allowing users to step through test strings.
Blog post about Onigurama, Ruby's regex engine. Discusses the mechanics of the engine.
Online JavaScript regex tester. Features samples and multiple modes.
Windows PCRE expression builder. Includes screenshot, manual and download links.
.NET regular expressions tester. Features regex reference, displays matches, position and split list.
Online regex tester that supports JavaScript and PCRE. Includes pattern examples and syntax reference.
Open-source Windows software aiming to solve complex parsing tasks by applying multiple regular expressions. Includes screenshots and documentation.
Online regex tester for PHP, PCRE, JavaScript and Python that highlights pattern and matches on the fly.
Commercial tool for creating, testing and implementing regular expressions in over twenty regex flavors. Features detailed manual, screenshots and demos.
Online regex tester. Features text replacement.
JavaScript regex tester. Highlights matches on the fly.
Multi-language online regular expression tester. Supports Go, Haskell, Java, JavaScript, .Net, Perl, PHP, Python, Ruby, Tcl and XRegExp.
Commercial code module that provides regex support in Visual Basic 5 and 6. Includes tutorial and demo.
Online regex tester. Features multiple modes and library of patterns submitted by users.
Regex tester that uses PHP's preg_match function. Features color-coded box indicating the match status of properly delimited patterns on test strings.
Basic JavaScript regex tester. Highlights matches.
Online JavaScript and Perl-like regex tool. Displays matches, generates JavaScript and PHP code.
Online regex tester that supports PCRE, POSIX and Javascript flavors. Features multiple modes, replacement, highlighting on the fly.
Windows regex builder that matches, replaces and splits. Includes download and source.
Online Ruby regex tester. Highlights matches on the fly.
Documentation for Ruby's Regexp class. Covers syntax, performance, methods.
.NET regex tester and debugger. Includes library of regular expressions.
Online graphical regex generator. Lets users select string components to be matched and generates corresponding regular expressions.
Graphical regex tester. Features Windows and Tcl versions.
Basic JavaScript regex tester. Highlights matches.
.NET regex tester and debugger. Includes library of regular expressions.
Online regex tester. Features multiple modes and library of patterns submitted by users.
Online regex tester for PHP, PCRE, JavaScript and Python that highlights pattern and matches on the fly.
Regex debugging tool. Features visual representations of regular expressions and sliders allowing users to step through test strings.
Multi-language online regular expression tester. Supports Go, Haskell, Java, JavaScript, .Net, Perl, PHP, Python, Ruby, Tcl and XRegExp.
Documentation for Ruby's Regexp class. Covers syntax, performance, methods.
Blog post about Onigurama, Ruby's regex engine. Discusses the mechanics of the engine.
Online regex tester that supports PCRE, POSIX and Javascript flavors. Features multiple modes, replacement, highlighting on the fly.
Online regex tester. Features text replacement.
JavaScript regex tester. Highlights matches on the fly.
Windows PCRE expression builder. Includes screenshot, manual and download links.
Windows regex builder that matches, replaces and splits. Includes download and source.
Online JavaScript regex tester. Features samples and multiple modes.
Online Ruby regex tester. Highlights matches on the fly.
Commercial code module that provides regex support in Visual Basic 5 and 6. Includes tutorial and demo.
Online graphical regex generator. Lets users select string components to be matched and generates corresponding regular expressions.
Graphical regex tester. Features Windows and Tcl versions.
Commercial tool for creating, testing and implementing regular expressions in over twenty regex flavors. Features detailed manual, screenshots and demos.
Open-source Windows software aiming to solve complex parsing tasks by applying multiple regular expressions. Includes screenshots and documentation.
Online JavaScript and Perl-like regex tool. Displays matches, generates JavaScript and PHP code.
Regex tester that uses PHP's preg_match function. Features color-coded box indicating the match status of properly delimited patterns on test strings.
.NET regular expressions tester. Features regex reference, displays matches, position and split list.
Online regex tester that supports JavaScript and PCRE. Includes pattern examples and syntax reference.
