Search & Replace
Quickly find and replace text in content. Supports regular expressions, multi-rule batch replacement, replacement preview, and more.
Find
Replace with
📋 複数ルールの置換（クリックして展開／折りたたむ）
Click "Add Rule" to create multi-rule replacements
🔎 置換プレビュー
0件の一致
📄 原文
✅ 結果
原文
置換されたテキスト
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About Search & Replace Tool
Search & Replace is a pure frontend text processing tool that requires no data upload to servers. It helps developers and writers quickly find and replace text content.
Core Features
- Multiple Search Modes — Case sensitivity, regex, whole word, and multiline modes for flexible searching
- Three Replace Strategies — Replace next (one-by-one), Replace all (one-click), Multi-rule batch replacement
- Live Highlighting — All matches highlighted instantly as you type
- Case Transform — Apply UPPERCASE, lowercase, Capitalize, or camelCase to replacements
- Replacement Preview List — Lists all match positions with context, click to navigate
- Multi-Rule Batch — Add multiple search/replace rules and execute them all at once
- Text Diff Comparison — Side-by-side before/after comparison with diff highlighting
- 12 Regex Templates — One-click fill for digits, email, URL, IP, phone, and more
- Import/Export Rules — Save replacement rules as JSON files for reuse
- Line Operations — Delete or extract lines matching your search
- Multi-Step Undo — Complete operation history stack with unlimited undo
- Statistics Dashboard — Real-time display of match count, replacements, character count, word count, and line count
Use Cases
- Code Refactoring — Batch rename variables and functions with precise regex matching
- Text Cleanup — Remove extra spaces, unify punctuation, batch edit text
- Data Cleaning — Extract and replace specific format text data using regex
- Multi-File Editing — Export rules as JSON and apply them to multiple files
💡 Privacy Guarantee: All data is processed locally in your browser. Text content is never uploaded to any server.