find formatting的用法和樣例：
例句
- If you notice unexpected formatting changes occurring in your document, this is the first place to look for the cause.
如果你發現在文檔中發生了不正常的格式變化，這是你首先應該查找原因的地方。 - Regular expressions constitute a language that can be used to find precisely defined patterns in strings.
正則表達式構成了可用於在字元串中查找精確定義格式的語言。
