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

thanks and best regards,
Sekar

PS - If this or any post helped you in any way, pls consider upvoting, thanks for reading !

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

thanks and best regards,
Sekar

PS - If this or any post helped you in any way, pls consider upvoting, thanks for reading !
0 Karma
Get Updates on the Splunk Community!

Building Reliable Asset and Identity Frameworks in Splunk ES

 Accurate asset and identity resolution is the backbone of security operations. Without it, alerts are ...

Cloud Monitoring Console - Unlocking Greater Visibility in SVC Usage Reporting

For Splunk Cloud customers, understanding and optimizing Splunk Virtual Compute (SVC) usage and resource ...

Automatic Discovery Part 3: Practical Use Cases

If you’ve enabled Automatic Discovery in your install of the Splunk Distribution of the OpenTelemetry ...