Developer ToolsPopular
Regex Tester
Test JavaScript regular expressions with real-time match highlighting and capture groups.
100% Secure & Client-side Instant ExecutionUsed by 194.2K creators
Key Features
- Real-time Match Highlighting
- Regex Flags (g, i, m, s)
- Capture Group Extraction
How It Works
- 1Enter regex pattern & flags
- 2Type or paste test string
- 3Inspect match results and capture groups
Questions & Answers
Frequently Asked Questions about Regex Tester
Yes, Regex Tester is completely free to use with unlimited usages and zero hidden subscription fees.
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