有效电子邮件地址的正则表达式?
准确重复:Using a regular expression to validate an email address有效电子邮件地址的正则表达式?
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?
在这里你去:
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不,我不是在开玩笑。 http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html
大声笑 - 总是让我感到困扰。 – 2009-03-04 18:15:06
节拍我对它安德鲁! – 2009-03-04 18:14:00
简短的回答是:它很复杂。
我曾经遇到过的电子邮件验证的最完整和准确的正则表达式是here。这不是因为心灵的模糊;它足够复杂,它被分解成多个部分,以便人们更容易解析(示例代码是用Java编写的)。但是,如果一切顺利进行验证是值得的,我认为它不会好得多。
请记住,specification提到了许多可能不被认为是电子邮件地址的典型情况。你可能想知道它们,并决定这些情况对你是否重要。
无论如何,我建议您使用单元测试来确认您的表达涵盖了您认为重要的情况。这样,当你对它进行干涉时,你可以确定你没有破坏一些以前工作过的情况。
敢我开始上市的重复:P ... http://*.com/questions/201323/what-is-the-best-regular-expression-for-validating-email-addresses – Dana 2009-03-04 18:13:54