如何从类中排除某些字符? [英] How can I exclude some characters from a class?

问题描述

假设我想匹配一个单词"字符(w)，但排除_"，或者匹配一个空白字符(s)，但排除 ".我怎样才能做到这一点?

Say I want to match a "word" character (w), but exclude "_", or match a whitespace character (s), but exclude " ". How can I do this?

推荐答案

使用否定类，包括 W 或 S.

Use a negated class including W or S.

/[^W_]/  # anything that's not a non-word character and not _
/[^S	]/ # anything that's not a non-space character and not 	

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