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(fā)現在文檔中發(fā)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于在字符串中查找精確定義格式的語(yǔ)言。
