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- Re: How to run a different rex extraction only if ...
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raby1996
Path Finder
10-01-2015
02:34 PM
Hi all,
So I'm currently using this extraction:
| rex "(?m)Package:\s+SEA.ha(?:\n|.)*?MS:(?<MS>\s+\d+\-\d+\S\S+)"
However I have found that this is not always present in my data, so I was wondering if there was a way where I could run this (below) rex command only when the first one doesn't find anything?
"| rex "(?m)(?:\n|.)MS:(?<MS>\s+\S+)"
Thank you.
1 Solution
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somesoni2
Revered Legend
10-01-2015
03:29 PM
Can you provide some sample logs for both patterns?
One dirty workaround would be like this
| rex "(?m)Package:\s+SEA.ha(?:\n|.)*?MS:(?<MS>\s+\d+\-\d+\S\S+)" | rex "(?m)(?:\n|.)MS:(?<MS1>\s+\S+)" | eval MS=coalesce(MS,MS1)
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somesoni2
Revered Legend
10-01-2015
03:29 PM
Can you provide some sample logs for both patterns?
One dirty workaround would be like this
| rex "(?m)Package:\s+SEA.ha(?:\n|.)*?MS:(?<MS>\s+\d+\-\d+\S\S+)" | rex "(?m)(?:\n|.)MS:(?<MS1>\s+\S+)" | eval MS=coalesce(MS,MS1)
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raby1996
Path Finder
10-01-2015
03:49 PM
That worked great! thank you
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raby1996
Path Finder
10-01-2015
03:50 PM
If you would like to convert it as an answer I'll accept it for you
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somesoni2
Revered Legend
10-01-2015
04:01 PM
Here you go.
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