有效电子邮件地址的正则表达式

完全重复:使用正则表达式验证电子邮件地址

什么是有效的电子邮件地址字符和模式,以及如何编写与之匹配的正则表达式？

干得好:

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不,我不是在开玩笑.http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html