OmniToolsFree

Find and replace

Preview how many matches a plain string or regular expression will replace.

  • 5 MB of text
  • Runs in the browser

This runs in your browser. What you type is not uploaded by this tool.

How to use it

Three steps

  1. 01

    Paste the text.

  2. 02

    Enter what to find. Turn on regex only if you mean a pattern.

  3. 03

    Check the match count, then replace.

Related tools

Regex tester

Test a JavaScript regular expression, with flags, match text and groups. A long run is stopped.

Text diff checker

Compare two texts and see added, removed and unchanged parts.

Case converter

Switch text between upper, lower, title, sentence, camel, snake and kebab case.

Questions

Which regex flavor is this?

JavaScript. A pattern that works in another language may need a small change.

Can I preview without replacing?

Yes. The match count updates before you apply the replacement.