validates_length_of :pass_crypt, :minimum => 8
validates_length_of :display_name, :minimum => 3, :allow_nil => true
validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
validates_length_of :pass_crypt, :minimum => 8
validates_length_of :display_name, :minimum => 3, :allow_nil => true
validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i