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Examples:
Hello World! hello world 123
How to use
- Enter your regular expression pattern
- Toggle flags (global, ignore case, multiline, etc.)
- Type or paste your test string
- View highlighted matches and capture groups
Common use cases
- Validate and extract email addresses
- Parse URLs and phone numbers
- Test data extraction patterns
- Debug and optimize regex patterns
Test and debug regular expressions in real-time. Highlight matches, capture groups, and common patterns. Free, fast, privacy-first. All in your browser.