Splunk Search

What is the rex command to extract the last value from a source field?

simona2121
Path Finder

Hi .. I need to extract back123 from the source field. pls provide the entire rex command needed to fetch back123 to a new field.
eg:

source = /opensource/final/back123

0 Karma

aaraneta_splunk
Splunk Employee
Splunk Employee

Hi @simona2121 - Looks like you have several answers to try out 🙂 If one of them has worked, please click "Accept" below the best answer to resolve this post. Thank you!

0 Karma

lukejadamec
Super Champion

Joining the answer party...

Try this

source = "*opensource*" | dedup source | rex field=source ".*\/(?<new>.*)" | table source, new
0 Karma

lakromani
Builder

This should do:

... | rex field=source ".*\/(?<new>\S+)"

https://regex101.com/r/QEsDmB/1

0 Karma

sundareshr
Legend

Let's make it an even 4

... | rex field=source "\/(?<folder>[^\/]*)$"
0 Karma

woodcock
Esteemed Legend

Like this:

... | rex field=source ".*?(?<fn>[^\/]*)$"

gcusello
SplunkTrust
SplunkTrust

Try this:

 yoursearch | rex field=source ".*\/(?[^ ]+)" | table myfield

Bye.
Giuseppe

0 Karma

inventsekar
Ultra Champion

if that source is part of your event, then field=_raw is good.

yoursearch | rex field=_raw "final\/(?<rexField>.*)" | table rexField

if that source is splunk extracted source field, then field=source is good.

yoursearch | rex field=source "final\/(?<rexField>.*)" | table rexField
0 Karma
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