my ($results, $err_page) = $self->check_rm('register',
                                   {
                                     required => [qw/username
                                                password
						password_check
						email
						email_check
						real_name
						year
						month
						date
						sex
						agree
						/],
	dependency_groups => {password_group => [qw/password password_check/],
				email_group => [qw/email email_check/],
				},
                                      constraints => {
						username => qr/^[a-z]\w{5,15}$/i,
              password => [
		{
                  constraint => qr/^\w{6,20}$/
		},
	        {
                  name       => 'password_mismatch',
                  constraint => sub {
                      my ($password, $password_check) = @_;
                      return ($password eq $password_check);
                  },
                  params => [qw(password password_check)]
	        }
		],
              email => [
                {
                  constraint => 'email'
                },
                {
                  name       => 'email_mismatch',
                  constraint => sub {
                      my ($email, $email_check) = @_;
                      return ($email eq $email_check);
                  },
                  params => [qw(email email_check)]
                }
                ],
                year => qr/^[1][0-9][0-9][0-9]$/,
		month => qr/^[A-Z]\w{2,10}$/i,
		date => qr/^[0-9][0-9]$/,
								},
                                     filters => ['trim'],
                                     msgs => {
                                               missing    => 'required',
                                               invalid    => 'invalid',
				constraints => {
		'password_mismatch' => "Passwords don't match",
		'email_mismatch' => "Email Addresses don't match",
						}
                                             }
                                   });
  return $err_page if $err_page;