^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ Tor\[[[:digit:]]+\]: Heartbeat: Tor's uptime is [[:digit:]]+ days [[:digit:]]+:[[:digit:]]+ hours, with [[:digit:]]+ circuits open. I've sent [[:digit:].]+ MB and received [[:digit:].]+ MB\.$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ Tor\[[[:digit:]]+\]: Heartbeat: Tor's uptime is [[:digit:]]+ days [[:digit:]]+:[[:digit:]]+ hours, with [[:digit:]]+ circuits open. I've sent [[:digit:].]+ MB and received [[:digit:].]+ MB\.$