如何将连字符与正则表达式匹配? [英] How to match hyphens with Regular Expression?

问题描述

如何重写[a-zA-Z0-9!$* ] 模式以匹配连字符和现有字符?

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

推荐答案

转义连字符.

[a-zA-Z0-9!$* 	
-]

更新:
别介意这个答案 - 您可以将连字符添加到组中，但您不必转义它.请参阅 Konrad Rudolph 的答案，而不是这样做更好回答并解释原因.

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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