Live match highlighting
Start the core Regex Lab workflow without leaving the MachKit toolbox.
Text & Data
Regex Lab, available locally on your Mac.
Regex Lab makes pattern testing immediate and visual. Paste sample text, refine an expression, highlight matches, inspect capture groups, and try replacements before the pattern ever lands in production code or a search-and-replace workflow.
Capture-group inspection
Keep the working input and generated result on the Mac.
Common replacement experiments
Copy or continue with the result from the same consistent utility window.
What it covers
See the capability and the boundary together.
What Regex Lab is designed to do
Regex Lab makes pattern testing immediate and visual. Paste sample text, refine an expression, highlight matches, inspect capture groups, and try replacements before the pattern ever lands in production code or a search-and-replace workflow.
- Live match highlighting
- Capture-group inspection
- Common replacement experiments
Keep sensitive working data out of online converters
MachKit runs this utility as bundled local content. It does not require an account, analytics service, remote script, or cloud storage for the tool input.
- Bundled with the native Mac app
- No analytics or advertising
- No upload required for local transformations
Use one utility without installing another standalone app
Regex Lab shares MachKit’s searchable tool catalog, light and dark appearance, localization, clipboard feedback, and configurable global shortcuts.
- Part of the Text & Data category
- Searchable from the MachKit tools workspace
- Available through an optional global shortcut