传说中“符合RFC标准”验证电子邮件的正则表达式

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xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xf
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xff\n\015()]*(? :( ?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80
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0-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|"[^\\\x80-\xff\n
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x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-
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]*(? :( ?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\
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n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\
015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?!
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\
]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(? :( ?:\\[^\
x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\01
5()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*|(?:[^(\040)<>@,;:".
\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]
)|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*&quot ;) [^
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n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*&quot ;) [^()<>@,;:".\\\[\]\
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\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:@[\040\t]*
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80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80
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xff\n\015"]*)*&quot ;) [\040\t]*(?:\([^\\\x80-\xff\n\015()]*(? :( ?:\\[^\x80-\x
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*\)[\040\t]*)*)*&gt ;)

来源 | reddit

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4 条评论 发表在“传说中“符合RFC标准”验证电子邮件的正则表达式”上

  1. cloudchen 说到:

    编译那么一段正则估计也挺慢的

  2. mrshelly 说到:

    OMG

  3. Overstrain 说到:

    oh,my god!Not necessary at all!

  4. zxc 说到:

    写这个东西的人不升天太过意不去了.....~~~~

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