RegexBuddy is described as 'Is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier' and is a regular expression editor in the development category. There are more than 25 alternatives to RegexBuddy for a variety of platforms, including Web-based, Windows, Mac, Linux and Self-Hosted apps. The best RegexBuddy alternative is RegExr, which is both free and Open Source. Other great apps like RegexBuddy are regular expressions 101, Expresso, Regex Forge and RegexMate.
Create, edit, and test RegEx Regular Expressions. Replace, format, and extract text in files using Regular Expressions. Perform GREP-like tasks, use RegEx substitutions, extract data! Supports color syntax highlighting and contextual tooltips making it easy to design patterns.
United States
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.
RegEx Lab allows you to test regular expressions. The app highlights and underlines text to show matches and capture groups. There's also a handy cheatsheet and a results list view. It has a replace feature too.
United Kingdom
jRegExAnalyser is an interactive tool written in Java to write, test, debug, analyse and profile regular expressions. Its free and Open Source software, licensed under the terms of GPLv2 with Class Path Exception.
Having trouble getting your regular expressions just right? Not sure what they match and what they leave out? Tired of having to write test programs every time? RegExhibit can help.
iHateRegex offers an easy way for developers to find helpful and reusable regular expressions while also providing an intuitive playground to interact with regex snippets to create or just learn.
India
The Regulator is an advanced Regular expressions testing tool, featuring syntax highlighting and web-service integration with Regexlib.coms database of online regular expressions.
Israel
Regexenator is a powerful yet simple regular expression tool for Android phones and tablets. You can use Regexenator to create, test, and evaluate regular expressions and search text for matches of your regular expressions.
Regexp testing tool allows to apply group of regexps to huge arrays of data (millions or so) in order to investigate search or search/replacement possibilities of regexp group.
This software will let you design your regexps by letting you type the expression and visualize its effect on a sample of your choice.
