Regex Tester
Test and debug regular expressions
How to Use
1
Enter pattern
Type your regular expression in the pattern field.
2
Add test strings
Enter text to test against your pattern.
3
Set flags
Enable g (global), i (case-insensitive), m (multiline) as needed.
4
View matches
See highlighted matches and capture groups.
Frequently Asked Questions
What regex flavors are supported?
JavaScript regex syntax, which is similar to most programming languages. Flags like g, i, m are supported.
Can I test multiple strings?
Yes, enter multiple test strings to see which ones match your pattern.
Is my regex data private?
Yes, all testing happens locally in your browser. Your patterns and test data never leave your device.