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javascript - 一个简单的正则表达式问题
- WBOYOriginal
- 2016-06-06 20:26:541291browse
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?
.无法匹配换行符，所以需要用[\w\W],php里还可以用/.+/s
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