Regex Tester
Test regular expressions in real-time with match highlighting, capture groups, and replacement tests.
How to Use Regex Tester
Enter your regular expression pattern and flags (g, i, m, s).
Type test string in the text editor.
View live match count, highlighted positions, and capture groups.
Frequently Asked Questions
What flags are supported?
Standard JavaScript regex flags are supported: g (global), i (case-insensitive), m (multiline), and s (dotAll).
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