*/ $meta['custom-redirectURI'] = array('string','_caution' => 'warning'); $meta['mailRestriction'] = array('string','_pattern' => '!^(@[^,@]+(\.[^,@]+)+(,|$))*$!'); // https://regex101.com/r/mG4aL5/3 $meta['singleService'] = array('onoff'); $meta['register-on-auth'] = array('onoff','_caution' => 'security');