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