Find and Replace Text (with RegEx)

Search and replace words, phrases, or complex regular expression patterns across large bodies of text.

Find String or Regex Pattern

Replace With

Match CaseWhole Word OnlyUse Regular Expressions (RegEx)

3 occurrences replaced

Original Text

Replaced Output

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Docswala.app provides tools for developers, designers, students, and professionals.
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How to Use the Find and Replace Text (with RegEx)

Type or paste your text into the editor.

Enter the search query and the desired replacement text.

Enable Case Matching, Whole Words, or RegEx mode, then copy the result.

Key Capabilities & Features

•Full Regular Expression (RegEx) syntax support with error validation
•Whole-word matching and case-sensitivity toggles
•Real-time replacement occurrence counter

Input FormatsPlain Text, Markdown, Code

Output FormatsModified Text Output

100% In-Browser Privacy Guarantee

Your files and data remain strictly on your device. All computations, image processing, and PDF manipulations happen locally in your web browser via WebAssembly and HTML5 APIs. No files are uploaded or stored on any remote servers.

Read our privacy architecture

View all Text tools →

Word Counter

Count words, characters, sentences and paragraphs.

Remove Duplicate Lines

Clean a list by removing repeated lines.

Case Converter

Switch text between lower, upper, title and sentence case.

Text Sorter & Alphabetizer

Sort lines of text alphabetically (A-Z, Z-A), by length, shuffle randomly, or remove duplicate entries.