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Regex Tester
Use our free Regex Tester tool to simplify your developer tools workflow. Fast, secure, and works directly in your browser.
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How to use Regex Tester?
- Enter your RegEx pattern in the Regular Expression field (without the leading/trailing slashes).
- Add optional flags like `g` (global), `i` (ignore case), or `m` (multiline) in the small flags input.
- Paste your payload into the Test String field.
- Matches and capturing groups will be automatically highlighted and extracted below.
Frequently Asked Questions
A regular expression (shortened as regex or regexp) is a sequence of characters that specifies a search pattern in text. Such patterns are used by string-searching algorithms.
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