It is a formal pattern that a specific program looks for in text or a string of characters using a recognition process called pattern matching.
它是一种形式模式，一个特定程序使用名为模式匹配的识别流程在文本或字符串中进行查找。
It is often useful to recognize a particular pattern in text and mark it up.
识别文本中的特定模式并进行标记通常十分有用。
A pattern specification is the text describing the pattern; you will see it in a book, or on a Web page, and so on.
模式规范是描述模式的文本；您将在书中或网页等上看到它。
应用推荐