Regex Tester
Test and debug regular expressions in real-time.
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2 matches found
What is this Tool?
Regex Tester is a developer tool for writing and testing Regular Expressions. It highlights matching parts of the input text in real-time.
How to use
- Enter the regex pattern (e.g., \d+) and flags (e.g., g) in the 'Regular Expression' input field.
- Enter the string to validate in 'Test String'.
- Check the matches highlighted in green and the total count in the 'Matches' section at the bottom.
Why do you need it?
- Instant Feedback: Results are reflected immediately as you modify the pattern, helping you write complex regular expressions.
- Error Detection: If there is a syntax error, an error message is displayed for quick correction.
FAQ
Q. Which regex engine is supported?
It uses the Regular Expression engine built into the user's browser (JavaScript).