Find and Replace

Find and replace text with support for case sensitivity and regex. See replacements in real-time. Free online find and replace tool.

Last updated: June 1, 2026

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Replace with

Case sensitiveUse regex

Input Text

Result

What is Find and Replace?

A find and replace tool searches through text for a specific word, phrase, or pattern and replaces it with different text. Unlike the basic find-and-replace in text editors, this online tool supports regular expressions for advanced pattern matching, case-sensitive or insensitive searching, and whole-word-only matching. It's useful for bulk text editing, data cleanup, code refactoring, and any task where you need to systematically transform text without manually locating each occurrence.

How It Works

Enter your source text, the search term (or regex pattern), and the replacement text. The tool finds all occurrences of the search term and highlights them so you can preview what will change. When you apply the replacement, every match is substituted simultaneously. With regex enabled, you can use capture groups and backreferences for complex transformations — like reformatting dates from MM/DD/YYYY to YYYY-MM-DD. The tool shows a count of replacements made so you can verify the expected number of changes occurred.

Common Use Cases

•Bulk-renaming variables or function names across code snippets during refactoring
•Cleaning data by replacing inconsistent formatting (e.g., standardizing phone number formats)
•Removing unwanted text patterns from copied content like attribution lines or watermarks
•Converting date formats across large datasets using regex pattern matching
•Replacing placeholder values in templates with actual content for mail merges
•Standardizing terminology across documents (e.g., replacing 'user' with 'customer' consistently)