A guide to Multi-Line Find & Replace: prepare your inputs, check the result, work through examples, and avoid common mistakes.
Use Multi-Line Find & Replace with a clear result in mind. Start with a small task, compare the output with what you expected, and use the checks below before applying the result to your main work.
Examples to work through
Replace 'http://old-domain.com' with 'https://new-domain.com' across an entire configuration file.
Before you use the result
- Write down the inputs and the question you want to answer.
- Try a small known example before using a long list or file.
- Review the result and any date, unit or format choices before saving it.
Step-by-Step Walkthrough
Step 1
Enter or paste the document you wish to edit into the main editor.
Step 2
Type the word or phrase to locate in 'Find Text' and your desired replacement in 'Replace With'.
Step 3
Select any desired matching options such as Case Sensitive or Preserve Letter Case.
Step 4
Click 'Replace All Matches' and copy or download your updated document.
Pro Tip for Best Output Quality
Extremely complex regular expressions with unbounded lookaheads may take a moment to evaluate on long texts.
Key Capabilities & Features
Multi-Line Search
Find and substitute multi-line paragraphs, headers, and code blocks.
Preserve Case Option
Automatically adapts replacement casing (e.g. replacing 'car' substitutes 'Truck' -> 'Car' and 'truck' -> 'car').
Exact Word Matching
Prevents accidental partial word replacements using whole-word boundary detection.
Regular Expression Engine
Power users can leverage full regex pattern matching.
Undo History
Revert changes step-by-step with an interactive undo stack.
Recommended Creative Use Cases
Frequently Asked Questions
Ready to try Multi-Line Find & Replace?
Open Multi-Line Find & Replace and try the example from this guide. Check the tool page for supported formats, limits, and access requirements.