Regex Tester
Test and visualize your Regular Expressions in real-time.
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Test String
0 matchesRegex Cheat Sheet
How to Use the Regex Tester
Regular Expressions (Regex) are incredibly powerful for pattern matching, but they can be tricky to write and debug. This tool provides a real-time environment to help you build and test your regex patterns with ease.
Enter Your Pattern
Type your regex pattern into the input field. You don't need to add the slashes yourself.
Provide a Test String
In the 'Test String' area, enter the text you want to match your pattern against and select any flags (g, i, m).
See Instant Results
As you type, the tool instantly highlights all matching parts of your test string. Use the cheat sheet for common patterns.