The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:


Multi String Search is described as 'Search multiple strings occurrences simultaneously with the help of this piece of software that comes with support for regular expressions' and is an app. There are more than 50 alternatives to Multi String Search for a variety of platforms, including Windows, Web-based, Mac, Linux and Self-Hosted apps. The best Multi String Search alternative is RegExr, which is both free and Open Source. Other great apps like Multi String Search are grep, regular expressions 101, dnGREP and AstroGrep.
The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:


.NET regular expression tester with instantaneous highlighting, code completion, and C# and VB.NET code generation.



Ack is designed as a standalone (one perl file) replacement for 99% of the uses of grep. ack is intelligent about the files it searches. It knows about certain file types, based on both the extension on the file and, in some cases, the contents of the file.


The Regulator is an advanced Regular expressions testing tool, featuring syntax highlighting and web-service integration with Regexlib.coms database of online regular expressions.

An online JavaScript regular expression tester. Enter a regex expression and test data and determine if matches are made.


The Regex Coach is a graphical application for Windows which can be used to experiment with (Perl-compatible) regular expressions interactively. It has the following features:



Patterns is a simple yet powerful tool for working with regular expressions. Build great patterns quickly and effortlessly with syntax coloring and with matching and replacing occurring in real time.

Offers a visual grep interface for Windows, enabling fast text and log filtering with multi-phrase search, set operations like merge and intersection, Regex editor with real-time preview, Unicode support, and instant output. No command-line or scripts needed.




RegViz is a tool for debugging JavaScript regular expressions in a visual way. Advanced highlighting helps you to understand the structure and purpose of a regular expression and to detect bugs therein.
