А ты регулярно выражаешься?

#1
Никак не могу определиться, какое регулярное выражение для проверки валидности мыла лучше. Оба нравятся, оба соответствую стандарту RFC822, что собсно и требуется, у каждогосвои плюсы и минусы. Хочу занть ваше мнение.

Вот это
Код:
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Взято с http://search.cpan.org/src/MAURICE/Email-Valid-0.15/Valid.pm
 
#2
Или вот это
Код:
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+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(?:\
.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z
|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*))*\>(?:(
?:\r\n)?[ \t])*))*)?;\s*)
Взято с http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html
 
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