my $ulen = $usernamemax || $self->dbdef_table->column('username')->length;
$recref->{username} =~ /^([a-z0-9_\-\.]{$usernamemin,$ulen})$/
or return "Illegal username";
my $ulen = $usernamemax || $self->dbdef_table->column('username')->length;
$recref->{username} =~ /^([a-z0-9_\-\.]{$usernamemin,$ulen})$/
or return "Illegal username";