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)?[ t]))*"(?:(?: rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00- 31]+(?:(?:( ?:rn)?[ t])+|Z|(?=[["()<>@,;:".[]]))|"(?:[^"r]|.|(?:(?:rn)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?:r n)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@,;:".[] 00- 31]+(?:(?:(?: rn)?[ t])+|Z|(?=[["()<>@,;:".[]]))|"(?:[^"r]|.|(?:(?:rn)?[ t ]))*"(?:(?: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])*)*:(?:(?:rn)?[ t])*(?:(?:(?:[^()<>@,;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|(?=[["()<>@,;:".[]]))|"(?:[^"r]| .|(?:(?:rn)?[ t]))*"(?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<> @,;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|(?=[["()<>@,;:".[]]))|" (?:[^"r]|.|(?:(?:rn)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?:rn)?[ t])*)(?:.(?:(?:rn)?[ t])*(?:[^()<>@, ;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|(?=[["()<>@,;:".[]]))|"(? :[^"r]|.|(?:(?:rn)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?:rn)?[ t])*)(?:.(?:( ?:rn)?[ t])*(?:[^()<>@,;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|(?=[ ["()<>@,;:".[]]))|"(?:[^"r]|.|(?:(?:rn)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?: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)?[ t]))*"(?:(?:rn)?[ t])*)(?:.(?:(?: rn)?[ t])*(?:[^()<>@,;:".[] 00- 31]+(?:(?:(?:rn)?[ t])+|Z|(?=[[ "()<>@,;:".[]]))|"(?:[^"r]|.|(?:(?:rn)?[ t]))*"(?:(?: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) (? (?&mailbox) | (?&group)) (?(?&name_addr) | (?&addr_spec)) (? (?&display_name)? (?&angle_addr)) (? (?&CFWS)? < (?&addr_spec) > (?&CFWS)?) (? (?&display_name) : (?:(?&mailbox_list) | (?&CFWS))? ; (?&CFWS)?) (? (?&phrase)) (? (?&mailbox) (?: , (?&mailbox))*) (? (?&local_part) @ (?&domain)) (? (?&dot_atom) | (?"ed_string)) (? (?&dot_atom) | (?&domain_literal)) (? (?&CFWS)? [ (?: (?&FWS)? (?&dcontent))* (?&FWS)? ] (?&CFWS)?) (? (?&dtext) | (?"ed_pair)) (? (?&NO_WS_CTL) | [x21-x5ax5e-x7e]) (? (?&ALPHA) | (?&DIGIT) | [!#$%&'*+-/=?^_`{|}~]) (? (?&CFWS)? (?&atext)+ (?&CFWS)?) (? (?&CFWS)? (?&dot_atom_text) (?&CFWS)?) (? (?&atext)+ (?: . (?&atext)+)*) (? [x01-x09x0bx0cx0e-x7f]) (? (?&text)) (? (?&NO_WS_CTL) | [x21x23-x5bx5d-x7e]) (? (?&qtext) | (?"ed_pair)) (? (?&CFWS)? (?&DQUOTE) (?:(?&FWS)? (?&qcontent))* (?&FWS)? (?&DQUOTE) (?&CFWS)?) (? (?&atom) | (?"ed_string)) (? (?&word)+) # Folding white space (? (?: (?&WSP)* (?&CRLF))? (?&WSP)+) (? (?&NO_WS_CTL) | [x21-x27x2a-x5bx5d-x7e]) (? (?&ctext) | (?"ed_pair) | (?&comment)) (? ( (?: (?&FWS)? (?&ccontent))* (?&FWS)? ) ) (? (?: (?&FWS)? (?&comment))* (?: (?:(?&FWS)? (?&comment)) | (?&FWS))) # No whitespace control (? [x01-x08x0bx0cx0e-x1fx7f]) (? [A-Za-z]) (? [0-9]) (? x0d x0a) (? ") (? [x20x09]) ) (?&address)/x
Ruby (simpler version)
/A([w+-].?)+@[a-zd-]+(.[a-z]+)*.[a-z]+z/i
.NET
^w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*$
