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Email Format

Here i am listing all valid/invalid format of the Email

Valid Format
  • abcd@xyz.com 
  • ab.cd@xyz.com                              (dot is allowed in valid Email)
  • abcd@yahoo.co.in                          ( domain. subdomain is allowed as valid email)
  • ab+cd@xyz.com                             ( Plus is allowed in valid domain)
  • abcd@255.255.255.255                  (IP address domain is valid email)
  • abcd@[255.255.255.255]               (Square Braket around IP address also valid Email)
  • "abcd"@xyz.com                            ( Double Quotes allowed in valid email)
  • 1234@xyz.com                               ( Digits are allowed)
  • abcd@xy-z.com                              (Dash in domain name is valid email)
  • _____@xyz.com                             (Underscore is allowed in valid email) 
  • abcd@xyz.name                              ( .name extension allowed in valid email)
  • ab-cd@xyz.com                               ( hyphen is allowed in valid email)

Invalid Format
  • abcd                                                   (Plane text is not valid email)
  • #@$#%^&*@#.com                         ( Special Character not valid email)
  • @xyz.com                                         ( Missing Username)
  • Chanchal Gupta <abcd@xyz.com> (Encoded HTMl within email is not valid)
  • abcd.xyz.com                                   (Missing @)
  • ab@cd@xyz.com                             (Two @ symbols)
  • .abcd@xyz.com                                ( Dot in starting is not allowed)
  • ab..cd@xyz.com                               (Continuous 2 dots are not allowed) 
  • abcd@xyz.com (Chanchal Gupta)   ( Text after email is not allowed)
  • abcd@xyz                                         ( Missing top level domain)
  • abcd@-xyz.com                                (Leading hyphen in front of domain name)
  • abcd@xyz.web                                  (.web is not the top level domain)
  • abcd@111.222.333.4444                  ( Invalid IP address)
  • abcd@xyz..com                                (Continuous 2 dots are not allowed)


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