Splunk Search

regex help!

kiran331
Builder

How to extract the IP OR hostname from the field "source"?

source=/opt/var/log/splunk/ciscoasa/11.12.22.345/2017_06_05_21_cisco.log
source=/opt/var/log/splunk/ciscoasa/abc_xyz/2017_06_05_21_cisco.log

I need to extract 11.12.22.345 & abc_xyz

Tags (2)
0 Karma
1 Solution

inventsekar
SplunkTrust
SplunkTrust

Hi Kiran, Verified and this works fine -

source="ciscoasa.txt" | rex field=_raw "ciscoasa\/(?<ipAddress>.*)\/" | table ipAddress _raw

alt text

View solution in original post

0 Karma

horsefez
Motivator

Hi,

because I was bored I made this redundant answer.

yoursearch | rex field=source "(?<host>[^\/]+)\/[^\/]+(?:$)"

gcusello
SplunkTrust
SplunkTrust

Hi kiran331,
Try this:

your_search | rex field=source "ciscoasa\/(?<host>[^\/]*)" | ...

you can test it at https://regex101.com/r/wrL9Ze/1

Bye.
giuseppe

0 Karma

inventsekar
SplunkTrust
SplunkTrust

Hi Kiran, Verified and this works fine -

source="ciscoasa.txt" | rex field=_raw "ciscoasa\/(?<ipAddress>.*)\/" | table ipAddress _raw

alt text

0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Splunk App Dev Quarterly Roundup: AI, Agents, and Innovation!

Another quarter, another wave of innovation. From complex integrations to pushing the limits ...

Federated Search for Dynamic Data Self Storage Is Now Generally Available on Splunk ...

 Splunk is excited to announce the General Availability of Federated Search for Dynamic Data Self Storage ...

Index This | What has many keys but can’t unlock a door?

July 2026 Edition  Hayyy Splunk Education Enthusiasts and the Eternally Curious!   We’re back with this ...