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    Regex Pattern Tester

    Enter a JavaScript regular expression and text to find matching substrings and offsets. Restricts pattern size and higher-risk constructs because evaluation runs in the browser.

    TRANSFORM YOUR TEXT
    How it works and limitations

    Provide a regular expression and sample text.

    Transformed text

    Worked examples

    Example: \d+ 에서 123 추출

    MATCHES: 1

    Enter a JavaScript regular expression and text to find matching substrings and offsets. Restricts pattern size and higher-risk constructs because evaluation runs in the browser.

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