^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: Auto-save of retention data completed successfully\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: LOG ROTATION: (DAILY|WEEKLY|MONTHLY)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: Nagios (1|2)\.[0-9] starting\.\.\. \(PID=[0-9]+\)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: Caught SIGHUP, restarting\.\.\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: SERVICE ALERT: [._[:alnum:]-]+;[^;]+;(CRITICAL|WARNING|OK|UNKNOWN);(SOFT|HARD);.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: SERVICE NOTIFICATION: [._[:alnum:]-]+;[._[:alnum:]-]+;[^;]+;(ACKNOWLEDGEMENT \()?(CRITICAL|WARNING|OK|UNKNOWN)(\))?;.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: SERVICE FLAPPING ALERT: [._[:alnum:]-]+;[._[:alnum:]-]+;(STARTED|STOPPED); Service appears to have (started|stopped) flapping \([0-9.]+% change [<>] [.[:digit:]]+% threshold\)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: HOST ALERT: [._[:alnum:]-]+;(DOWN|UP|UNREACHABLE);(SOFT|HARD);.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: HOST NOTIFICATION: [._[:alnum:]-]+;[._[:alnum:]-]+;(DOWN|UP|UNREACHABLE);.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: HOST DOWNTIME ALERT: [._[:alnum:]-]+;(STARTED|STOPPED);.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: HOST EVENT HANDLER: [._[:alnum:]-]+;(UP|DOWN);(SOFT|HARD);[0-9]+;.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: EXTERNAL COMMAND: PROCESS_SERVICE_CHECK_RESULT;[._[:alnum:]-]+;[^;]+;[0-9]+;.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: EXTERNAL COMMAND: (ENABLE|DISABLE)_(HOST_|HOST_SVC_|SVC_)?NOTIFICATIONS;[._[:alnum:]-]+(;[^;]+)?$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: EXTERNAL COMMAND: (ADD_SVC_COMMENT|ACKNOWLEDGE_SVC_PROBLEM);[._[:alnum:]-]+;[[:alnum:]]+;[0-9]+;([[:alnum:]]+;)?.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: EXTERNAL COMMAND: SCHEDULE_HOST_DOWNTIME;[._[:alnum:]-]+;[0-9;]+;[[:alnum:]]+;.*$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: Warning: The results of service '[ [:alnum:][:punct:]]+' on host '[._[:alnum:]-]+' are stale by [[:digit:]]+ seconds \(threshold=[[:digit:]]+ seconds\).  I'm forcing an immediate check of the service\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: SERVICE ALERT: [[:alnum:]]+;PING;(WARNING|OK).*$
# nrpe
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nrpe\[[0-9]+\]: Error: Could not complete SSL handshake. 5$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: Warning: Host '[[:alnum:]]+' has no services associated with it\!$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nagios(2|3)?: LOG VERSION: 2\.[0-9]$