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javascript - 一个简单的正则表达式问题

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Release： 2016-06-06 20:26:54
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请教大家,

[\w\W]+与.+有什么区别?
[\w\W]难道和.不是等价的吗?

回复内容：

请教大家,

[\w\W]+与.+有什么区别?
[\w\W]难道和.不是等价的吗?

javascript - 一个简单的正则表达式问题

javascript - 一个简单的正则表达式问题

.无法匹配换行符，所以需要用[\w\W],php里还可以用/.+/s

Related labels：
javascript php regular expression
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