Fixed IPV6 regex https://git.ispconfig.org/ispconfig/ispconfig3/issues/4002

Pascal Dreissen

2016-07-05 fbfdc438eaf2a70d5fefda74c919edc76e82d0fd

1
ALTER TABLE  `web_domain` ADD  `ipv6_address` VARCHAR( 255 ) default NULL AFTER  `ip_address`;