Find and replace

Client

Replace literal text or regex matches in a paste—then trim lines or sort with adjacent writing tools.

About Find and replace

Find and replace literal text or regex matches in a paste—case options and replace-all, browser-only. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

2 matches replaced.

Nearby workflows on Toolcore

  • Regex generator & tester — Presets (US/NANP & E. for the next text or markup step in your edit loop.
  • Trim lines — Strip leading and trailing whitespace on each line—optionally remove empty lines locally. for the next text or markup step in your edit loop.
  • Split text — Split a string on comma, tab, custom delimiter, or newlines—one token per output line. for the next text or markup step in your edit loop.
  • Plain text diff — Compare two text drafts side by side—unified view, sample pre-filled, client-side. for the next text or markup step in your edit loop.

Common use cases

  • Rename a placeholder across a config paste before commit.
  • Swap API hostnames in a log excerpt with regex capture groups.
  • Replace one typo across many lines without a desktop editor.

Common mistakes to avoid

  • Regex without escape

    Special characters like . or ( need escaping unless you intend a pattern.

  • Case-insensitive literal off

    Toggle case sensitivity when replacing Foo vs foo in prose.

FAQ

How is this different from the regex tester?

Regex tester shows matches on a pattern; this tool rewrites the whole input with replacements.

Replace only the first match?

Uncheck Replace all for a single literal or regex replacement.

Is my text uploaded?

No. Replacement runs locally in your browser.

More tools

Related utilities you can open in another tab—mostly client-side.