regex for hostgroups

salt/firewall/soc_firewall.yaml

@@ -37,6 +37,7 @@ firewall:
       description: List of IP or CIDR blocks to allow to this hostgroup.
       helpLink: firewall.html
       advanced: True
+      multiline: True
       regex: ^(([0-9]{1,3}\.){3}[0-9]{1,3}(\/([0-9]|[1-2][0-9]|3[0-2]))?)?$
       regexFailureMessage: You must enter a valid IP address or CIDR.
     customhostgroup2: *customhostgroupsettings