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Regex Find and Replace Online

Transform text with regular expressions, optional flags, and capture groups such as $1.

▣ Processed locally in your browser. Nothing is uploaded.

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Regular expressionEnter the pattern without / delimitersReplace withCapture groups such as $1 are supported

Global (g) Ignore case (i) Multiline (m)

Changed text

Your transformed text will appear here.

Invalid patterns are reported before anything changes.

Reserved for a future ad placement

JavaScript regular-expression syntax is used. Replacement text can reference captured groups.

Test complex expressions on sample data before processing important text.