Werkery

Find & Replace

Find and replace text. Plain text or regex (JS flavor). Case-sensitive, whole-word, multi-line. See match count before applying.

Tool by ·
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How it works

  1. 1
    Paste source
    The text to modify.
  2. 2
    Set find/replace
    Plain or regex.
  3. 3
    Copy
    Output updates as you type.

Frequently asked

What regex flavor?

JavaScript regex (ECMAScript). Supports lookahead, named captures, Unicode flag (added automatically). Backreferences in replacement: $1, $2 etc.

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Tool designed and editorially reviewed by Felix Brübach. Text drafted with AI assistance and reviewed for legal and factual accuracy before publication. Not legal advice — for complex cases, consult a lawyer.
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