Splunk Search

Rex for drive letters

nashia
New Member

I only want to look at built in shares like A$-Z$, but not ADMIN$ or IPC$. Is there a rex expression that will allow me to do this?

rex field=share_name "(?[a-zA-Z]{1}+)\$+" works similarly, where I get A$, C$, D$, G$, etc; but it will also give me C$ from the end of IPC$ and N$ from the end of ADMIN$.

I guess what I need is to first only rex if there are two characters (letter + $)... Any help is appreciated.

Tags (2)
0 Karma

FrankVl
Ultra Champion

What is in the share_name field? Just the short name, or a full url like \servername\c$?

0 Karma

harsmarvania57
Ultra Champion

Hi,

Please try below regex

| rex field=share_name "^(?<drive>[a-zA-Z]\$)"
0 Karma

nashia
New Member

Hi, Thank you for your answer; unfortunately it does not work.

0 Karma

FrankVl
Ultra Champion

Can you be a bit more specific than "it does not work"?

0 Karma

FrankVl
Ultra Champion

Second z should be Z I guess? 😉

But yes, that should do the trick. If the share_name contains a full UNC path, try "\\(?<drive>[a-zA-Z]\$)"

harsmarvania57
Ultra Champion

Thanks for pointing this. 🙂

0 Karma
Get Updates on the Splunk Community!

Index This | Why did the turkey cross the road?

November 2025 Edition  Hayyy Splunk Education Enthusiasts and the Eternally Curious!   We’re back with this ...

Enter the Agentic Era with Splunk AI Assistant for SPL 1.4

  &#x1f680; Your data just got a serious AI upgrade — are you ready? Say hello to the Agentic Era with the ...

Feel the Splunk Love: Real Stories from Real Customers

Hello Splunk Community,    What’s the best part of hearing how our customers use Splunk? Easy: the positive ...