| 标题 | wildcard character 通配符－你知道吗？ |
| 内容 | 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* therefore, refers to all files that begin with m. Similarly, the specification m*.doc refers to all files that start with m and end with.doc. Many word processors also support wild cards for performing text searches. 例子： (wildcard characters * and ? allowed, see examples) 细分： asterisk wildcard 星号通配符 question mark wildcard 问号通配符 |
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