Regex Playground

An app to Practice, Test, Build & Validate Regular Expressions.

A definitive mobile companion for working with text patterns.

This app makes it easy to write, test, and debug regular expressions (regex) directly on your Android device. No more switching between your computer and phone or using clunky web tools.

🚀 KEY FEATURES:

1: Real-Time Testing: See matches, highlighted text, and capture groups instantly as you type. Our auto-test feature provides immediate feedback.

2. Powerful Replace Function: Not just for testing! Use the "Replace" tab to find and replace text in your source string using your custom patterns.
Detailed Capture Group Analysis: Easily view and understand all your capture groups, making complex data extraction simple.

3. Full Support for Regex Flags: Toggle all common flags, including Global (g), Case-Insensitive (i), Multiline (m), Dot All (s), Unicode (u), and Sticky (y).
Extensive Pattern Library: Get started instantly with our built-in library of common patterns for:

Email, URL, Phone Numbers
IPv4 Addresses, Dates, Times
Hex Colors, Credit Cards
And many more!

4. Searchable History: Your recent regex and test strings are automatically saved. Easily find and reuse your previous work with our search function.
Modern UI & Dark Mode: Enjoy a clean, intuitive interface designed for speed and efficiency. Switch to Dark Mode for comfortable use in low-light conditions.

5. Easy Export & Sharing: Instantly copy your regex, the test string, or the final result to your clipboard. Share your patterns with colleagues or save them for later.

🤔 WHO IS THIS FOR?

1. Developers: Quickly debug and validate regex for web and app development on the fly.

2. Students & Learners: Master the art of regular expressions with a visual, interactive tool.

3. Data Scientists & Analysts: Easily create and test patterns for data extraction and validation.

4. Anyone! If you work with text, this tool will save you time and frustration.
Stop guessing and start testing.

Download it now and make working with regular expressions a breeze!