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Wildcard vs RegexMate: catalog facts
Wildcard	RegexMate
Free Free and open source under the GPL-3.0-or-later licence.	Freemium Free to download with in-app purchases.
Linux	macOS, iOS
Works offline unlike web regex testers Native GNOME interface	Shows regex matches as you type Includes a bilingual reference guide
Linux only Little published detail on supported regex flavours	Requires macOS 14 or later, iOS 17 or later, or iPadOS 17 or later.
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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