Regex Tester — Test Regular Expressions in Real-Time
Write and test regular expressions in real time. See matches highlighted instantly. Supports flags: global, case-insensitive, multiline. Perfect for developers.
✓ Free✓ No Signup✓ Browser-Based✓ Privacy First
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How to use Regex Tester — Test Regular Expressions in Real-Time
1Enter your regular expression
2Paste test text
3See matches highlighted in real-time
4Adjust pattern as needed
Frequently Asked Questions
What regex flavors are supported?
JavaScript regex syntax is used, which supports most standard patterns.
Can I test with flags?
Yes. Toggle global (g), case-insensitive (i), and multiline (m) flags.