Regex Tester

Test and debug regular expressions with live highlights

Patrones frecuentes:
//gi
2 coincidencia(s) encontrada(s)
Contact us at [email protected] or [email protected] for inquiries.
Desglose de Coincidencias y Grupos (2)
#1[email protected](índice 14)
$1: support$2: quiktools.app
#2[email protected](índice 39)
$1: sales$2: company.com
About this tool

Test, Debug, and Highlight Regular Expressions in Real Time

Validate and fine-tune your regular expression patterns against sample test strings with instant visual match highlighting and capture group breakdowns.

Toggle global (g), case-insensitive (i), multiline (m), and dotAll (s) regex flags on the fly.

Private in-browser JavaScript regex evaluation.

Key Highlights

Real-time match highlighting
Capture groups breakdown table
Flag toggles (g, i, m, s)
100% client-side privacy

Frequently Asked Questions about Regex Tester

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