关于邮件地址的测试

Valid Email [e-mail] [e-mail] contains dot in the address [e-mail] contains dot with [e-mail] sign is considered valid characteremail@123.123.123.123Domain is valid IP addressemail@[123.123.123.123]Square bracket around IP address is considered valid"email"@domain.comQuotes around email is considered [e-mail] in address are [e-mail] in domain name is [e-mail] in the address field is [e-mail] is valid Top Level Domain [e-mail] in Top Level Domain name also considered valid (use co.jp as example here)[e-mail] in address field is validjohn.smith(commect)@example.com (commect)[e-mail] john.smith@(comment)example.com [e-mail](comment) 

Invalid Email addressReasonplainaddressMissing @ sign and domain#@%^%#$@#$@#[e-mail] usernameJoe Smith <[e-mail]>Encoded html within email is invalidemail.domain.comMissing @email@[e-mail] @ [e-mail] dot in address is not [e-mail] dot in address is not [e-mail] dotsあいうえお@domain.comUnicode char as [e-mail] (Joe Smith)Text followed email is not allowedemail@domainMissing top level domain (.com/.net/.org/etc)[e-mail] dash in front of domain is [e-mail] is not a valid top level domainemail@111.222.333.44444Invalid IP formatemail@domain..comMultiple dot in the domain portion is invalidjust"not"[e-mail] strings must be dot separated, or the only element making up the local-partthis is"not\[e-mail], quotes, and backslashes may only exist when within quoted strings and preceded by a backslashthis\ still\"not\\[e-mail] if escaped (preceded by a backslash), spaces, quotes, and backslashes must still be contained by quotes

Reference link : http://en.wikipedia.org/wiki/Email_address#Domain_part