2017-02-04 09:05:35,023
%{TIMESTAMP_ISO8601:time}
09:05:35,021
(?<time>%{TIME})
2017-02-04 09:05:35
%{TIMESTAMP_ISO8601:time}
2017-02-04 09:05:35,023
%{TIMESTAMP_ISO8601:time}
09:05:35,021
(?<time>%{TIME})
2017-02-04 09:05:35
%{TIMESTAMP_ISO8601:time}