Regex Tester - Test Regular Expressions Online
Test regex patterns against sample text with real-time match highlighting.
Processed 100% locally in your browser. Never sent to our server.
Regular Expression Tester
No matches found.
Acerca de Regex Tester - Test Regular Expressions Online
Evaluates JavaScript regular expressions in real-time, highlighting matches and showing capture groups.
How to Test Regular Expressions
1. Enter your JavaScript Regular Expression pattern.
2. Enter test text into the body area.
3. View real-time match highlights, capture group indices, and match counts.
Ejemplos de uso
Testing Email Extraction Pattern
Pattern: /[\w.-]+@[\w.-]+\.[a-z]{2,}/g Test Text: Contact support@numvax.com or sales@numvax.com Matches Found: 2 ("support@numvax.com", "sales@numvax.com")
Preguntas frecuentes
Which regex flags are supported?
Supports standard flags: g (global match), i (case insensitive), m (multiline), s (dotAll), and u (unicode).