検索・置換

コンテンツ内のテキストをすばやく検索・置換できます。正規表現、複数ルールの一括置換、置換プレビューなどに対応しています。

Find

—/div>

Replace with

Case Sensitive

Regular Expression

Whole Word

Multiline

Live Highlight

📋 Regex Templates: Digits \d+ Letters [a-zA-Z]+ Words \w+ Whitespace \s+ Email URL IP Address Phone Date HTML Tag Chinese テンプレート変数

📊 試合—span class="stat-value match-count" id="matchCount">0

—差し替え—span class="stat-value replaced-count" id="replacedCount">0

📝 登場人物—span class="stat-value" id="charCount">0

🔤 言葉：0

📄 行数—span class="stat-value" id="lineCount">0

📋 複数ルールの置換（クリックして展開／折りたたむ—/span>

Click "Add Rule" to create multi-rule replacements

🔎 置換プレビュ—/span> 0件の一—/span>

📄 原文

—結果

原文

置換されたテキス—/div>

📌 ライン運用：

Ctrl+H検索と置— | Ctrl+Z元に戻す | 入力 Next | Shift+Enter Previous

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.