[syslog-ng] Filter Not Working (too many or's?)

Here is an example of what I am trying to do, these hostnames are not real; the real ones have no common pattern. filter f_xyz { host("*.abca.*") or host(".*abcb.*") or host(".*abcc.*") or host(".*abcd.*") or host(".*abce.*") or host(".*abcf.*") or host(".*abcg.*") or host(".*abch.*"); }; The filter above is for any host containing a hostname with what is contained within the .* and *.; i.e. hostabca01 will be matched by host("*.abca.*") When I have this filter in my config, syslog fails to restart. Eyes hurt, obvious mistake?