RegExp
Powerful Regex Testing Tool
Free · In-App Purchases
Available on macOS, iOS and iPadOS
A powerful and flexible Regular Expression (Regex) testing tool designed for developers.
Test and explore regex patterns across multiple flavors:
- Swift (fully configurable)
- Objective-C
- ECMAScript (JavaScript)
- Go (macOS only)
- Go (POSIX) (macOS only)
Most features are available for free, so you can try the app without any commitment. A one-time purchase unlocks advanced configuration options for power users.
Key Features:
- Support for multiple regex engines and syntax variations
- Advanced Swift regex engine with compatibility options (e.g., Python, Rust-style behavior)
- Save and organize your own regex patterns like a personal regex notebook
- iCloud sync to keep your regex library backed up and accessible across devices
Whether you’re learning regex, testing expressions, or building complex patterns, this app is designed to make your workflow faster and more reliable.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
The developer, Loshadki, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Loshadki, LLC
- Size
- 1.5 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 18.1 or later.
- iPhone
Requires iOS 18.1 or later. - iPad
Requires iPadOS 18.1 or later. - Mac
Requires macOS 15.1 or later. - Apple Vision
Requires visionOS 2.1 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Features USD 3.99
- Copyright
- © 2025 Loshadki LLC
