/
^(?<x_forwarded_for>(?:[0-9:.-]*, )?(?<clientip>[0-9:.-]*)) (?<ident>[^ ]*) (?<auth>[^ ]*) \[(?<time>[^\]]*)\] "(?<verb>\S+)(?: +(?<request>[^\"]*?)(?: +(?<httpversion>\S*))?)?" (?<response>[^ ]*) (?<bytes>[^ ]*) "(?<referer>[^\"]*)" "(?<agent>[^\"]*)" "(?<request_time>[^\"]*)" "(?<host>[^\"]*)(?::(?<host_port>\S+))?"(?: ATI:"(?<amazn_trace_id>[^\"]*)")?(?: "(?<hdr_location>[^\"]*)" "(?<request_length>[^\"]*)")?(?: "(?<tls_version>[^\/]*)\/(?<tls_cipher>[^\"]*)")?(?: trace_id:"(?<a0_request_id>[^\"]*)")?$
/