Regex Tester
Test regular expressions against strings with flags, match highlighting, and capture groups.
How to Use Regex Tester
1
Enter your regular expression pattern
2
Enter test string(s)
3
View matches highlighted with capture groups
Key Features
Real-time match highlighting
Capture group display
Flag toggles (g, i, m, s)
Match count
Tips & Tricks
Use the 'g' flag for global matching
Hover over matches to see capture groups
Frequently Asked Questions
Global (g), case-insensitive (i), multiline (m), and dotAll (s) flags are supported with individual toggles.