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])+)])

Python

r"(^[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

(?:(?:rn)?[ t])*(?:(?:(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t] )+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?: rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:( ?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*))*@(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)* ](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+ (?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?: (?:rn)?[ t])*))*|(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z |("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn) ?[ t])*)*<(?:(?:rn)?[ t])*(?:@(?:[^()<>@,;:".[] 00-31]+(?:(?:(?: rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn) ?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t] )*))*(?:,@(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])* )(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t] )+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*) *:(?:(?:rn)?[ t])*)?(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+ |Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:r n)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?: rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*))*@(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31 ]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*]( ?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(? :(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(? :rn)?[ t])*))*>(?:(?:rn)?[ t])*)|(?:[^()<>@,;:".[] 00-31]+(?:(? :(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*)*:(?:(?:rn)?[ t])*(?:(?:(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]| .|(?:(?:rn)"(?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<> @,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|" ("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*))*@(?:(?:rn)?[ t] )*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;: ".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(? :[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[ ]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*|(?:[^()<>@,;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|( ?:(?:rn)"(?:(?:rn)?[ t])*)*<(?:(?:rn)?[ t])*(?:@(?:[^()<>@,; :".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([ ^[]r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:" .[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[ ]r]|.)*](?:(?:rn)?[ t])*))*(?:,@(?:(?:rn)?[ t])*(?:[^()<>@,;:". [] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[] r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|[([^[]r] |.)*](?:(?:rn)?[ t])*))*)*:(?:(?:rn)?[ t])*)?(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]| .|(?:(?:rn)"(?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@, ;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*))*@(?:(?:rn)?[ t])* (?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:". []]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[ ^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[] ]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*>(?:(?:rn)?[ t])*)(?:,s*( ?:(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;: ".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*)(?:.(?:( ?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t ])*))*@(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t ])+|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(? :.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+| Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*|(?: [^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[ ]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*)*<(?:(?:rn) ?[ t])*(?:@(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|(" ()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn) ?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<> @,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*(?:,@(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@, ;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t] )*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;: ".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*)*:(?:(?:rn)?[ t])*)? (?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:". []]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t])*)(?:.(?:(?: rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z|("()<>@,;:".[]]))|"("r]|.|(?:(?:rn)"(?:(?:rn)?[ t]) *))*@(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t]) +|Z|("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*)(?: .(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00-31]+(?:(?:(?:rn)?[ t])+|Z |("()<>@,;:".[]]))|[([^[]r]|.)*](?:(?:rn)?[ t])*))*>(?:( ?:rn)?[ t])*))*)?;s*)

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) (") (?<WSP> [x20x09]) ) (?&address)/x

Ruby (simpler version)

/A([w+-].?)+@[a-zd-]+(.[a-z]+)*.[a-z]+z/i

.NET

^w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*$