Find and Replace Text Tool

What is a Find and Replace Text Tool?

Find and replace text strings or Regex patterns across large text blocks. Supports case-sensitive matching, whole-word search, and Regular Expression capture groups (`$1`, `$2`).

Why Use This Tool?

  • Code & Text Editing: Batch replace variable names, domain URLs, or formatting tags across documents.
  • Regex Transformation: Use Regular Expressions to reformat phone numbers, dates, or structured logs.
  • Data Cleaning: Strip unwanted characters or replace patterns across thousands of lines.

How to Use

  1. Paste your document text into the input panel.
  2. Enter Search term/pattern and Replacement text.
  3. Enable Regex, Case Sensitive, or Whole Word options and click Replace.

Real Working Example

Input Text:

Contact: john@example.com, jane@example.com

Output Result:

Search: ([a-z]+)@example\.com | Replace: $1@devdeskapp.com
Result: Contact: john@devdeskapp.com, jane@devdeskapp.com

Important Technical Details & Features

  • JavaScript RegExp Engine: Full support for standard JS regular expression syntax and capture group backreferences (`$1`, `$2`).
  • Match Highlight Counter: Shows total number of matches found and replaced.
  • 100% Local Execution: High-performance client-side text processing.

Related Text & Developer Utilities

Frequently Asked Questions

Does it support Regex capture groups ($1, $2)?

Yes, Regex mode supports standard replacement backreferences like $1 and $2.

Can I perform case-insensitive replacements?

Yes, uncheck "Match Case" for case-insensitive replacements.

Is there a limit on text size?

Processes large text blocks instantly in browser memory.

Is my text private?

Yes, 100% client-side execution.

What is the main function of Find and Replace Text Tool?

Find and replace text with support for Regex regular expressions, case sensitivity, whole words, and backreferences. This tool processes find and replace text data 100% locally inside your web browser.