Text Find & Replace

Find and replace text online with regex support, case sensitivity, whole word matching, and real-time match highlighting. Like sed for the browser.

How to Find and Replace Text Online

  1. 1

    Paste or Type Your Text

    Enter the text you want to modify into the input field. You can paste content from any source including documents, code files, spreadsheets, log files, or plain text. There is no character limit, so large texts work without issues.
  2. 2

    Enter the Search Term or Pattern

    Type the word, phrase, or regex pattern you want to find in the Find field. Toggle Case Sensitive for exact capitalization matching, Whole Word to avoid partial matches inside longer words, or Regex to use full JavaScript regular expression syntax for complex pattern matching.
  3. 3

    Specify the Replacement Text

    Enter the text that should replace each match in the Replace With field. Leave it empty to delete all matches. When using regex mode, you can reference capture groups with $1, $2, and so on to reuse parts of the matched text in the replacement.
  4. 4

    Replace and Copy the Result

    Click Replace All to substitute every match at once, or Replace First to change only the first occurrence. The result panel shows the modified text with a count of replacements made. Click Copy to send the output to your clipboard, ready to paste into your project.

Common Use Cases

1

Cleaning Up Data and Log Files

Remove timestamps, IP addresses, or unwanted prefixes from server logs and CSV exports. Use regex patterns to strip entire columns or reformat dates in bulk without opening a spreadsheet or writing a script.
2

Refactoring Code and Configuration Files

Rename variables, update API endpoints, swap class names, or change configuration values across pasted code snippets. Whole word mode prevents accidental replacements inside longer identifiers, and regex capture groups let you restructure patterns.
3

Fixing Typos and Formatting in Documents

Correct repeated spelling mistakes, standardize punctuation, or convert straight quotes to curly quotes across an entire document. Replace All handles hundreds of occurrences in a single click, saving manual editing time.
4

Preparing Content for Migration

Convert Markdown links to HTML anchors, swap placeholder tokens with real values, or strip unwanted HTML tags when moving content between platforms. Regex mode handles complex transformations that plain search cannot achieve.

Why Use Our Text Find & Replace?

Whether you need to clean up data, fix typos in bulk, or perform complex pattern-based replacements, our tool handles it all in your browser. It supports plain text search, regex patterns, case-sensitive matching, and whole-word matching. Real-time highlighting shows you exactly what will be replaced before you commit. Think of it as sed for the browser — no terminal required, no data uploaded to any server.

Text Find & Replace is a free browser-based tool for searching and replacing text with precision. It supports plain text search, case-sensitive matching, whole word boundaries, and full JavaScript regular expression syntax. Real-time match highlighting shows every occurrence before you commit to a replacement, eliminating guesswork. Whether you need to fix a single typo across a long document or perform a complex pattern transformation on log data, this tool handles it instantly without any software installation or account creation.

The regex mode unlocks advanced capabilities that go beyond simple string substitution. Use capture groups to extract and rearrange parts of matched text, quantifiers to match variable-length patterns, and character classes to target specific character ranges. The replacement field supports backreferences ($1, $2) so you can restructure matched content rather than just swapping it. This makes the tool a practical alternative to command-line utilities like sed or Perl one-liners, accessible to anyone through a web browser.

Text Find & Replace works well alongside other FindUtils text tools. Use the Regex Tester to build and debug complex patterns before applying them here. Compare your original and modified text side by side with the Diff Checker to verify changes are correct. The Case Converter handles bulk capitalization changes, while the Text Line Sorter organizes output lines alphabetically or by custom criteria. For counting words or characters after replacement, the Word Counter provides detailed text statistics.

How It Compares

Most text editors include find and replace, but they require you to open a file first and lack advanced regex features in their free versions. Online alternatives like TextFixer and EditPad offer basic search and replace but do not support regular expressions, capture groups, or real-time match highlighting. Command-line tools like sed and awk are powerful but require terminal access and knowledge of shell syntax that many users do not have.

This tool combines the power of regex-based replacement with the simplicity of a web interface. All processing runs in your browser, so no text is uploaded to any server. There are no usage limits, no account requirements, and no ads. Unlike desktop software, it works on any device with a browser, and unlike command-line tools, it provides a visual preview of every match before you replace. The real-time highlighting and match counter give you confidence that your pattern is correct before committing to changes.

Tips for Effective Find and Replace

1
Use whole word mode when replacing common short words like 'or', 'an', or 'it' to avoid changing parts of longer words like 'orange' or 'sanitize'.
2
Leave the replacement field empty to delete all matches. This is the fastest way to strip unwanted characters, tags, or patterns from text.
3
In regex mode, use capture groups with parentheses and reference them as $1, $2 in the replacement field to rearrange or restructure matched text.
4
Enable case sensitive mode when working with code to distinguish between variables like 'Name' and 'name' or constants like 'MAX_SIZE' and 'max_size'.
5
Preview highlighted matches before clicking Replace All to confirm the pattern matches exactly what you expect, especially with complex regex patterns.

Frequently Asked Questions

1

Can I use regular expressions?

Yes, toggle the Regex mode to use full JavaScript regular expression syntax. Capture groups ($1, $2) work in the replacement field.
2

Is my text uploaded to a server?

No, all processing happens entirely in your browser. Nothing is uploaded to any server, making it safe for sensitive text.
3

What is whole word matching?

Whole word matching only finds the search term when it appears as a complete word, not as part of another word. For example, searching 'cat' won't match 'category'.
4

Can I replace with nothing to delete matches?

Yes, leave the Replace field empty to delete all matches. This is useful for stripping unwanted characters or patterns from text.
5

Is this tool free?

Yes, completely free with no signup, no ads, and no usage limits. All processing happens client-side in your browser.

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