最严谨的校验email地址的正则表达式及各种语言对应版

最严谨的校验email地址的正则表达式及各种语言对应版主要介绍了最严谨的校验email地址的正则表达式及各种语言对应版,本文给出通用、Python、Javascript、PHP、Perl / Ruby、Perl等版本的最严谨的表达式写法

通用

(?:[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

/^[-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

/^(?!(?:(?: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)

(?<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+)*$