The Regex Coach

The Regex Coach

The Regex Coach is a free tool to learn, build, and test regular expressions. It includes an interactive tutorial, regex builder and tester, cheat sheets, and reference guides to help you master regular expressions.
The Regex Coach image
regex regular-expressions testing learning

Regex Coach: Learn, Build & Test Regular Expressions

The Regex Coach is a free tool to learn, build, and test regular expressions. It includes an interactive tutorial, regex builder and tester, cheat sheets, and reference guides to help you master regular expressions.

What is The Regex Coach?

The Regex Coach is a feature-rich application to learn, build, test and analyze regular expressions. It includes:

  • An interactive regex tutorial with 65 lessons covering regex basics to advanced syntax
  • A regex builder and tester to experiment with and validate regular expressions
  • Cheat sheets with regex syntax, metacharacters, quantifiers, groups, lookarounds and more
  • Comprehensive reference guides that explain regex features
  • Support for JavaScript, Python, PHP, Java, Ruby, Golang and more flavors
  • Descriptions and visual diagrams for every regex to break down what it does
  • A regex debugger to step through a regex visually on sample text

The Regex Coach aims to help developers, testers, analysts and anyone working with text data master regular expressions through hands-on experimentation and visual aids. Its rich features make regex more approachable and understandable.

The Regex Coach Features

Features

  1. Interactive tutorial to learn regular expressions
  2. Regex builder to build and test expressions
  3. Cheat sheets and reference guides
  4. Supports JavaScript and Python regex flavors

Pricing

  • Free

Pros

Free and open source

Good for beginners

Interactive and visual interface

Works offline

Cons

Limited features compared to advanced regex tools

Only supports two regex flavors

No integration with code editors


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