Regex Tester
Test and debug regular expressions.
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The Regex Tester is a client-side tool. Your regular expressions and test strings are processed locally in your browser and are not sent to any server.
About the Regex Tester
A powerful tool to test and debug regular expressions in real-time. Supports standard JavaScript regex syntax and flags.
How to Use
Enter your regular expression pattern and flags (e.g., g, i, m). Then, paste your test string to see matches highlighted instantly.