Cost / License
- Freemium
- Proprietary
Alerts
- Discontinued
Platforms
- Online

regular expressions 101 is described as 'Regex101 is a powerful, online regular expression tool with extensive support for multiple languages including PHP, PCRE, Python and JavaScript' and is an website in the development category. There are more than 25 alternatives to regular expressions 101, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Self-Hosted apps. The best regular expressions 101 alternative is RegExr, which is both free and Open Source. Other great sites and apps similar to regular expressions 101 are Expresso, RegexMate, Wildcard and RegexBuddy.

Rextester - some online tools for anyone who finds them useful. It was started as online .net regex tester. Rextester stands for regular expression tester.
Learn, develop and test Regular Expressions for the .NET platform. The .NET Regular Expression Designer is a free download for Windows that helps you learn, develop and test regular expressions.

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.

What RegExpEditor is can be said easyest by telling what it is not: It is not an editor for regular expressions. Although it can be used for this purpose. Instead RegExpEditor is a text editor that allows you to alter text using regular expressions.

Txt2Regex is a programmer's tool for finding regular expression. Simply copy and paste the text and get your code in PHP, Perl, C++, C#, Python, Ruby, Pascal, etc.

Regex.ai is an AI-powered tool that generates regular expressions with ease and accuracy. It allows users to create regular expressions that match specific patterns with our easy-to-use interface and convenient UI/UX.


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.


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.



