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regex101 vs NeoRegex: catalog facts
regex101	NeoRegex
Freemium Free to use, with a paid Pro upgrade and enterprise option.	Free Free software under GPL-3.0.
Web	Windows, macOS, Linux, Android, Web
Plain-language explanation of a pattern as you type Supports PCRE2, JavaScript, Python and other flavors	Tests expressions and shows matches and capture groups Includes a validator for test cases
Requires a browser and internet connection Some features require a Pro upgrade	The web version is experimental No iOS build
Web application	Downloadable app, Web application
Closed source	Open source
License not stated	License: GPL-3.0-only
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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