Class: Remailer::EmailAddress

Inherits:
Object
  • Object
show all
Defined in:
lib/remailer/email_address.rb

Overview

RFC822 Email Address Regex

Originally written by Cal Henderson c.f. iamcal.com/publish/articles/php/parsing_email/

Translated to Ruby by Tim Fletcher, with changes suggested by Dan Kubb.

Licensed under a Creative Commons Attribution-ShareAlike 2.5 License creativecommons.org/licenses/by-sa/2.5/

Constant Summary collapse

PATTERN =

Class Methods ========================================================

begin
  qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]'
  dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]'
  atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-' +
    '\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+'
  quoted_pair = '\\x5c[\\x00-\\x7f]'
  domain_literal = "\\x5b(?:#{dtext}|#{quoted_pair})*\\x5d"
  quoted_string = "\\x22(?:#{qtext}|#{quoted_pair})*\\x22"
  domain_ref = atom
  sub_domain = "(?:#{domain_ref}|#{domain_literal})"
  word = "(?:#{atom}|#{quoted_string})"
  domain = "#{sub_domain}(?:\\x2e#{sub_domain})*"
  local_part = "#{word}(?:\\x2e#{word})*"
  addr_spec = "#{local_part}\\x40#{domain}"
  pattern = /\A#{addr_spec}\z/
end

Class Method Summary collapse

Class Method Details

.valid?(address) ⇒ Boolean

Class Methods ========================================================

Returns:

  • (Boolean) 


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# File 'lib/remailer/email_address.rb', line 38

def self.valid?(address)
  PATTERN.match(address)
end