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在DOS时代通配符是搜索的必备参数,到现在还是在很多场合使用。

当我们看到wildcard这个单词时,可能会感到费解,从字面上看是“野的”、“卡片”,怎么会跟计算机有什么关系,莫名其妙。

下面就介绍一下这个家伙:

通配符
wildcard character

定义:

A special symbol that stands for one or more characters. Many operating systems and applications support wildcards for identifying files and directories. This enables you to select multiple files with a single specification. For example, in DOS and Windows, the asterisk (*) is a wild card that stands for any combination of letters. The file specification
m*

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therefore, refers to all files that begin with m. Similarly, the specification (来源:最老牌的英语学习网站 EnglishCN.com)

m*.doc

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refers to all files that start with m and end with.doc.

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Many word processors also support wild cards for performing text searches.
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例子: 
(wildcard characters * and ? allowed, see examples)
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细分: (来源:英语麦当劳-英语快餐EnglishCN.com)


asterisk wildcard 星号通配符 (来源:英语问答中心 http://ask.englishcn.com)

question mark wildcard 问号通配符


欢迎大家来交流计算机英语相关的点点滴滴,投稿:http://www.englishcn.com/tougao.htm