TOOLDENDEVELOPERON-DEVICE
Regex Generator: Build and Test Patterns
Generate literal regex from text or test patterns with flags. All processing happens in your browser, nothing is sent to a server.
Generate literal regex from text, or test patterns with flags and see matches and capture groups. All processing happens in your browser.
HOW TO USE
- 1Switch to Generate mode to build a literal regex from example text.
- 2Switch to Test mode to paste a pattern and sample text.
- 3Toggle flags such as global, case-insensitive and multiline.
- 4Every match and capture group is highlighted instantly.
EXAMPLE
INPUT
Pattern: /toolden.me/i on "Visit TOOLDEN.ME today"
OUTPUT
One match, TOOLDEN.ME, highlighted, case-insensitive flag applied
FAQ
What does the global flag do?
The g flag matches every occurrence instead of stopping after the first match.
Can I see capture groups?
Yes. Groups defined with parentheses are listed separately alongside the full matches.
Is my text sent to a server?
No. Regex generation and testing run entirely in your browser.