在VS Code中進行批量修改的最佳方法是使用“查找和替換”功能。 1. 在單個文件中使用“查找和替換”：按Ctrl H 打開面板，輸入查找和替換內容，點擊“替換”或“全部替換”。 2. 跨多個文件搜索：按Ctrl Shift F 打開搜索標簽，展開替換部分，選擇對單個文件或整個項目的替換操作。 3. 使用高級選項：如區(qū)分大小寫、全字匹配和正則表達式，以實現(xiàn)更精確的控制，例如用\d 匹配數(shù)字或將捕獲組用于復雜替換。該功能通過快速精準的編輯，顯著提高代碼維護效率。

When you're working with code in VS Code and need to make repetitive changes across a file or multiple files, the "Find and Replace" feature is your best friend. It's fast, efficient, and saves you from doing tedious manual edits.

Basic Find and Replace in a Single File

To start, open the file you want to edit. Press Ctrl H (or Cmd Option F on Mac) to bring up the Find and Replace panel. In the first input box, type what you want to find, and in the second, what you want to replace it with.

Once both fields are filled, you can:

• Click “Replace” to change one match at a time.
• Click “Replace All” to update every instance in the file.

This works great for simple text changes, like renaming a variable or updating a function name that appears multiple times.

Use Search Across Multiple Files

If you want to replace something across your entire project or folder, use the global search feature. Press Ctrl Shift F to open the Search tab. Type what you're looking for in the top input field.

Then click the arrow next to the search bar to expand the Replace section. Enter your replacement text, and now you have options:

• Click the Replace icon next to an individual file result to apply changes there.
• Click “Replace All” above the results to update all matches across the project.

Be careful here — replacing globally can affect more files than you expect. It's a good idea to review the matches before hitting “Replace All.”

Advanced Options: Case Sensitivity and Regular Expressions

VS Code gives you extra control by letting you toggle additional settings:

• Match Case : Makes the search case-sensitive. So “Test” won't match “test” or “TEST.”
• Whole Word : Only finds full-word matches. Useful if you want to avoid partial replacements.
• Use Regular Expressions : This unlocks powerful pattern-based searching.

For example, if you want to replace all numbers in a certain format, you could use \d to match digits. Or if you want to capture part of a pattern and reuse it in the replacement, you can use $1 , $2 , etc., depending on your capture groups.

These tools are especially helpful when dealing with messy or inconsistent data in logs, configs, or large refactorings.

That's basically how it works. Whether you're tweaking one file or overhauling a whole project, the Find and Replace feature in VS Code makes it manageable without going line by line.

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