Text Find & Replace with Regex

Find and replace words, phrases, or complex regex patterns across large documents with match counting.

About this tool

Perform powerful find and replace operations across documents with support for regular expressions, whole-word boundaries, and match metrics.

How to use this tool

  1. Paste your document text into the editor.
  2. Enter the text to find and the replacement text.
  3. Toggle case sensitivity or Regex mode as needed, then click Replace All.

How it works

Uses native JavaScript regex execution in browser memory to find all occurrences and substitute replacement strings.

When to use this tool

  • Updating recurring product names or dates across an entire document.
  • Stripping or modifying specific HTML tags using regular expressions.

Frequently asked questions

Can I use regex capture groups like $1 in the replacement?

Yes. In Regex mode, standard JavaScript replacement tokens like $1 and $2 are supported.

Limitations

Invalid regex syntax surfaces helpful error messages.

Privacy

Your document never leaves your computer.