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Tag: grep

Posted on June 3, 2009

正则表达式(Regular Expressions)学习

 1. 简介
什么是正则表达式?一个正则表达式就是用来在一次搜索中匹配相同字符的一个字符模式。在大多数程序是,把一个正则表达式装在两个正斜杠里,即/love/的形式。
2. 正则表达式元字符 Continue reading “正则表达式(Regular Expressions)学习”

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