什么是与电子邮件地址匹配的全局接受的正则表达式 [英] What would be a globally accepted regular expression to match e-mail addresses

问题描述

我看过很多例子，其中有很多不，你错过了一些东西"的评论.匹配电子邮件地址的正确方法是什么?

I have seen many examples, with many 'no, you missed something' comments. What is the right way to match an e-mail address?

出于理智的考虑，仅使用完全限定的域名，不允许使用@localhost. (或两种方式)

For Sanity sake, only fully-qualified domain names, no @localhost allowed. (or, both ways)

必须允许子域([e-mail])

Subdomains must be allowed ([e-mail])

推荐答案

此正则表达式符合 RFC 2822 中描述的语法，它很长，但是RFC中描述的语法很复杂...

This regular expression complies with the grammar described in RFC 2822, it's very long, but the grammar described in the RFC is complex...

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