如何搭配普通防爆pression连字符？ [英] How to match hyphens with Regular Expression?

问题描述

如何重写 [A-ZA-Z0-9！$ * \\ t \\ r \\ n] 模式与现有的字符一起匹配连字符？

How to rewrite the [a-zA-Z0-9!$* \t\r\n] pattern to match hyphen along with the existing characters ?

推荐答案

逃生连字符。

[a-zA-Z0-9!$* \t\r\n\-]

更新：结果
没关系这个答案 - 您可以连字符添加到组，但你不必逃避它。见<一href=\"http://stackoverflow.com/questions/4068629/how-to-match-hyphens-with-regular-ex$p$pssion/4068725#4068725\">Konrad鲁道夫的答案，而不是其中不回答的一个更好的工作，并解释了原因。

UPDATE:
Never mind this answer - you can add the hyphen to the group but you don't have to escape it. See Konrad Rudolph's answer instead which does a much better job of answering and explains why.

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