Regex not extracting host

[abhi04]

Hi all, 

our regex is unable to extract host from the logs, can you pleas ehelp with the correct regex.though this regex works when checked in regex101, not sure why unable to extract

[hostextract]
REGEX = ^.*\w+\s+\d+\s+(?:\d+:){2}\d+\s+(?P<test>\w+)\s+
SOURCE_KEY = _raw
DEST_KEY = MetaData:Host
FORMAT = host::$1

e.g. logs format

May 1 08:35:30 10.98.6.249 May 1 08:35:30 host_abc

Apr 10 08:45:20 10.98.6.249 Apr 10 08:45:20 host_def

May 1 08:35:30 10.98.6.249 May 1 08:35:30 host_ghi

[abhi04]

The starting format of logs in regex101

[kiran_panchavat]

@abhi04 Hello Abhi, Please use the below regex. 

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