I'm not having much luck with negative lookahead assertions using regexp with my service object definitions... could you provide an example? I am trying something like: host_name ^(?!(HOST1|HOST2)).*$ Thanks =) --- Steve Miller <smiller@co.slo.ca.us> Network Engineer Information Technology Department County of San Luis Obispo 805-781-5097 <table width=100%> <tr valign=top> <td width=40%>"Morris, Patrick" <patrick.morris@hp.com> 08/10/2006 09:47 AM <td width=59%> <table width=100%> <tr valign=top> <td> <div align=right>To</div> <td><smiller@co.slo.ca.us>, <nagios-users@lists.sourceforge.net> <tr valign=top> <td> <div align=right>cc</div> <td> <tr valign=top> <td> <div align=right>Subject</div> <td>RE: [Nagios-users] Service definition host_name parameter logic?</table> <table> <tr valign=top> <td> <td></table> </table> <tt>> I thought I'd drop a line to the list and inquire about if > there was any plan to extend the logic in the host_name > parameter of a service definition to be able to exclude > individual hosts or host groups. > > I've stumbled across a situation where that would be useful. > (e.g. host_name *,not SERVER1, not SERVER2) > > What I've done in the meantime is just disabled active > service checks for that service on that particular host. You can do this currently if you enable regexp matching in your Nagios config. </tt>