Regex Tester
Test and debug regular expressions with examples.
Enter a regular expression pattern without the leading/trailing slashes
Common Patterns
Regex Flags
Regex Error
Matches ()
Match
(Position -
)
Group :
Total Matches
0
Test Length
0
Pattern Length
0
Groups
0
Highlighted Text
Regex Visualization
Examples
Validate email addresses and phone numbers
Extract specific patterns from text
Test complex search patterns
Frequently Asked Questions
What regex engine is used?
The tool uses JavaScript RegExp engine, which is compatible with most modern regex standards.
Can I test regex with flags?
Yes, you can test with common flags like global (g), case-insensitive (i), and multiline (m).
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Features
- Free to use
- No registration
- Privacy protected
- Works offline