# File lib/authlogic/regex.rb, line 11 def self.email @email_regex ||= begin email_name_regex = '[A-Z0-9_\.%\+\-\']+' domain_head_regex = '(?:[A-Z0-9\-]+\.)+' domain_tld_regex = '(?:[A-Z]{2,4}|museum|travel)' /\A#{email_name_regex}@#{domain_head_regex}#{domain_tld_regex}\z/i end end