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Expressions vs Wildcard: catalog facts
Expressions	Wildcard
Paid Commercial Mac app from Apptorium; see the website for current pricing.	Free Free and open source under the GPL-3.0-or-later licence.
macOS	Linux
Live preview of matches while editing Library for saving expressions	Works offline unlike web regex testers Native GNOME interface
macOS only Not open source	Linux only Little published detail on supported regex flavours
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.