Find & Replace

Make controlled text replacements with live match counts and clear regular-expression errors.

What this tool does

Find literal text, whole words or regular expressions and preview replacements live. Processing happens locally in your browser; entered and generated text is not uploaded or stored by this tool.

Frequently asked questions

Which regular-expression syntax is used?

Regex mode uses JavaScript RegExp syntax and rejects overly long patterns and inputs.

Does the tool execute JavaScript?

No. Patterns are compiled only as regular expressions; user text is never evaluated as code.