Splunk Search

How to fetch values from a string using rex command

Puvi
New Member

Hi,

i have a field with values like AB101, I want to extract 101 separately into a new field

Tags (2)
0 Karma

vnravikumar
Champion

Hi

Try this

| makeresults 
| eval temp="AB101" 
| rex field=temp "(?P<result>[\d]+)"
0 Karma

kartm2020
Communicator

Try this.
It will fetch the number followed by digits.
| rex field=field_name "A-Z"

If you have non-capital words. try the below

| rex field=field_name "[A-Z]a-z"

0 Karma

renjith_nair
Legend

@Puvi,

Try

|rex field=field_name "(?<digits>\d+)"

where field_name is your field and digits is the new field

---
What goes around comes around. If it helps, hit it with Karma 🙂
0 Karma

renjith_nair
Legend

@Puvi , please accept one of the answers which helped you or let's know if you need further help

---
What goes around comes around. If it helps, hit it with Karma 🙂
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!

Kick the Tires Before You Commit: A Hands-On Tour of the Splunk Observability Cloud ...

Evaluating an enterprise observability platform usually goes like this: fill out a form, get a free trial with ...

Deep insights, no barriers: Splunk Observability Cloud Free Edition

As software delivery cycles continue to accelerate, observability shouldn’t be a luxury — it should be a ...

Monitoring AI Agents with Splunk Observability Cloud

Let’s say I’m running a travel planning AI app in production. A user asks for three concise hotel options in ...