nsregextester
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Description:
No description available
Type: Cask  |  Latest Version: 1.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: regex developer-tool macos testing utility
Install: brew install --cask nsregextester
About:
NSRegexTester is a macOS application designed for testing and debugging regular expressions. It provides a real-time interface where users can input a regex pattern and sample text, immediately highlighting matches and capturing groups. The tool is particularly valuable for developers needing to verify complex regex patterns against various test strings quickly.
Key Features:
  • Real-time regex matching and highlighting
  • Support for multiple capture groups
  • Simple, native macOS interface
  • Instant feedback on pattern syntax errors
Use Cases:
  • Validating regex patterns for application code
  • Debugging complex regular expressions
  • Learning regex syntax with immediate visual feedback
Alternatives:
  • Regex101 – Web-based alternative offering extensive features like library and explanation, whereas NSRegexTester is a native offline macOS app.
  • Patterns – Another native macOS regex tester with a more UI-heavy approach, while NSRegexTester focuses on simplicity and speed.
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:21pm 1.0 0 VERSION_BUMP 0f50c4d3