Email Address - Special Characters

TaxProfileFactory handles email addresses that adhere to standardized address formats. An example of email standardized format is shown below:

local-part@domain

The local-part of the email address may use any of the following ASCII characters:

• Uppercase and lowercase English letters (a–z, A–Z)
• Digits 0 to 9
• Characters ! # $ % & ' * + - / = ? ^ _ ` { | } ~
• Character ( . ) (dot, period, full stop) provided that it is not the first or last character, and provided also that it does not appear two or more times consecutively (e.g. John..Doe@example.com)
  
  Acceptable email format: *JohnDoe@brooklynpubliclibrary.org

The domain of the e-mail address may use any of the following ASCII characters:

• Uppercase and lowercase English letters (a–z, A–Z)
• Digits 0 to 9
• Hyphen ( - ), provided that it is not the first or last character
• Period ( . ), provided that it is not the first or last character, and provided also that it does not appear two or more times consecutively
  
• • This includes using the dotted-decimal IP (IPv4) address format enclosed within brackets (“[ ]”) for a given domain (“[xxx.xxx.xxx.xxx]” where ‘xxx’ is a decimal between 0 and 255, inclusive).

Email addresses may not exceed 254 characters.