RegEx Tester

Effortless pattern matching

USD 0.99 · Designed for iPad

RegEx Tester is a focused, lightweight tool for designing and validating regular expressions on iPhone and iPad. Built natively with the latest version of SwiftUI, it delivers a smooth, modern interface that feels right at home on every device. Create a new pattern from scratch or start with the built-in examples, then see results update as you type. Instant match counts, highlighted previews and clear validity indicators help you refine your regex without switching apps. what you can do • store an unlimited collection of custom patterns • search, sort and edit patterns at any time • duplicate the demo library or delete it to stay clutter-free • test against multiline input with live highlighting • copy any pattern or match to the clipboard in a tap • export or import patterns as JSON for backup and sharing • work entirely offline; nothing leaves your device why it’s different • clean interface, no ads or tracking • built in the latest SwiftUI for performance and future-proofing • fast, on-device processing powered by Apple’s NSRegularExpression • debounced testing keeps the UI responsive, even with large text • full accessibility support and dynamic type • english and italian localisations included RegEx Tester is free to use with no hidden fees. Download it today and build better regular expressions, faster.

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Updated with the modern iOS 26 interface

The developer, Marco Tini, 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.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    • Provider
      • Marco Tini
    • Size
      • 439.3 KB
    • Category
      • Developer Tools
    • Compatibility
      Requires iOS 15.0 or later.
      • iPhone
        Requires iOS 15.0 or later.
      • iPad
        Requires iPadOS 15.0 or later.
      • iPod touch
        Requires iOS 15.0 or later.
      • Mac
        Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English and Italian
    • Age Rating
      4+
    • Copyright
      • © Marco Tini