通用复制代码 代码如下:
(?:[a-z0-9!#$%&"*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&"*+/=?^_`{|}~-]+)*|"(?:[x01-x08x0bx0cx0e-x1fx21x23-x5bx5d-x7f]|\[x01-x09x0bx0cx0e-x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[x01-x08x0bx0cx0e-x1fx21-x5ax53-x7f]|\[x01-x09x0bx0cx0e-x7f])+)])
Pythonr"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$)"
Javascript复制代码 代码如下:
/^[-a-z0-9~!$%^&*_=+}{"?]+(.[-a-z0-9~!$%^&*_=+}{"?]+)*@([a-z0-9_][-a-z0-9_]*(.[-a-z0-9_]+)*.(aero|arpa|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|mobi|[a-z][a-z])|([0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}))(:[0-9]{1,5})?$/i
PHP复制代码 代码如下:
/^(?!(?:(?:x22?x5C[x00-x7E]x22?)|(?:x22?[^x5Cx22]x22?)){255,})(?!(?:(?:x22?x5C[x00-x7E]x22?)|(?:x22?[^x5Cx22]x22?)){65,}@)(?:(?:[x21x23-x27x2Ax2Bx2Dx2F-x39x3Dx3Fx5E-x7E]+)|(?:x22(?:[x01-x08x0Bx0Cx0E-x1Fx21x23-x5Bx5D-x7F]|(?:x5C[x00-x7F]))*x22))(?:.(?:(?:[x21x23-x27x2Ax2Bx2Dx2F-x39x3Dx3Fx5E-x7E]+)|(?:x22(?:[x01-x08x0Bx0Cx0E-x1Fx21x23-x5Bx5D-x7F]|(?:x5C[x00-x7F]))*x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-[a-z0-9]+)*.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-[a-z0-9]+)*)|(?:[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))]))$/iD
Perl / Ruby(?:(?:
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Perl 5.10 or newer/(?(DEFINE)(?<address> (?&mailbox) | (?&group))(?<mailbox> (?&name_addr) | (?&addr_spec))(?<name_addr> (?&display_name)? (?&angle_addr))(?<angle_addr> (?&CFWS)? < (?&addr_spec) > (?&CFWS)?)(?<group> (?&display_name) : (?:(?&mailbox_list) | (?&CFWS))? ;(?&CFWS)?)(?<display_name> (?&phrase))(?<mailbox_list> (?&mailbox) (?: , (?&mailbox))*)(?<addr_spec> (?&local_part) @ (?&domain))(?<local_part> (?&dot_atom) | (?"ed_string))(?<domain> (?&dot_atom) | (?&domain_literal))(?<domain_literal> (?&CFWS)? [ (?: (?&FWS)? (?&dcontent))* (?&FWS)?] (?&CFWS)?)(?<dcontent> (?&dtext) | (?"ed_pair))(?<dtext> (?&NO_WS_CTL) | [x21-x5ax5e-x7e])(?<atext> (?&ALPHA) | (?&DIGIT) | [!#$%&"*+-/=?^_`{|}~])(?<atom> (?&CFWS)? (?&atext)+ (?&CFWS)?)(?<dot_atom> (?&CFWS)? (?&dot_atom_text) (?&CFWS)?)(?<dot_atom_text> (?&atext)+ (?: . (?&atext)+)*)(?<text> [x01-x09x0bx0cx0e-x7f])(?<quoted_pair> \ (?&text))(?<qtext> (?&NO_WS_CTL) | [x21x23-x5bx5d-x7e])(?<qcontent> (?&qtext) | (?"ed_pair))(?<quoted_string> (?&CFWS)? (?&DQUOTE) (?:(?&FWS)? (?&qcontent))*(?&FWS)? (?&DQUOTE) (?&CFWS)?)(?<word> (?&atom) | (?"ed_string))(?<phrase> (?&word)+)# Folding white space(?<FWS> (?: (?&WSP)* (?&CRLF))? (?&WSP)+)(?<ctext> (?&NO_WS_CTL) | [x21-x27x2a-x5bx5d-x7e])(?<ccontent> (?&ctext) | (?"ed_pair) | (?&comment))(?<comment> ( (?: (?&FWS)? (?&ccontent))* (?&FWS)? ) )(?<CFWS> (?: (?&FWS)? (?&comment))*(?: (?:(?&FWS)? (?&comment)) | (?&FWS)))# No whitespace control(?<NO_WS_CTL> [x01-x08x0bx0cx0e-x1fx7f])(?<ALPHA> [A-Za-z])(?<DIGIT> [0-9])(?<CRLF> x0d x0a)(?<DQUOTE> ")(?<WSP> [x20x09]))(?&address)/x
Ruby (simpler version)/A([w+-].?)+@[a-zd-]+(.[a-z]+)*.[a-z]+z/i
.NET^w+([-+."]w+)*@w+([-.]w+)*.w+([-.]w+)*$