Find and Replace.
Find and replace text with regex support, case-sensitive matching, and whole-word mode. Replaces all occurrences. Free online tool.
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How to use
Enter the text you want to find and the replacement text.
Enable Regex mode to use regular expressions with capture group support.
Toggle Case-sensitive and Whole word options as needed.
Paste your text and see the replaced output update live.
Frequently Asked Questions
How do I use regex capture groups?
In Regex mode, use parentheses to create groups and $1, $2, etc. in the Replace field to reference them. For example: find "(\d{4})-(\d{2})" replace with "$2/$1".
What does Whole word mode do?
It only matches the search term when it appears as a standalone word, not as part of a larger word. "cat" matches in "I saw a cat" but not in "concatenate".
How many replacements does it make?
All occurrences are replaced, not just the first one.
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