Splunk Search

field extraction with Regular expression giving inconsistent results

ayadav38
Engager

Hey there,

I  created a field extraction from UI,using regular expression method,where regular expression got created automatically,but when is use that extracted field in my search,most values for that field are null where in they are available in raw data

here`s my raw data and i need to extract the value of medicareId(which is combination of letters and numbers).please advise,any help appreciated.

Message Started processing in Async: MtmCaseActivity(clinicalProgramName=sample, identificationDate=sample, caseID=sample, branding=sample, cycleYear=2021, status=Closed, closingDate=sample, workedBy=sample, reworkReason=, fulfillmentId=, identifiers=MtmCaseIdentifierDto(externalMemberId=null, carrierId=sample, accountId=sample, groupId=sample, memberId=sample, medicareId=sample, contractId=sample, pbp=sample), memberDemographics=MtmMemberDemographicsDto(memberFirstName=sample, memberLastName=sample, memberDOB=sample, memberAddress1=sample, memberAddress2=, memberCity=sample, memberState=sample, memberZip=sample, patientGender=F), eligibility=MtmEligibilityDto(effectiveDate=sample, termDate=sample), consultationDetails=null)

Labels (1)
0 Karma
1 Solution

gcusello
SplunkTrust
SplunkTrust

Hi @ayadav38 ,

I usually manually modify the regexes extracted with the Field Extractor!

so, please, try this:

| rex "medicareId\=(?<medicareId>[^,]+)"

That you can test at https://regex101.com/r/9Xt6Tx/1

Ciao.

Giuseppe

View solution in original post

gcusello
SplunkTrust
SplunkTrust

Hi @ayadav38 ,

I usually manually modify the regexes extracted with the Field Extractor!

so, please, try this:

| rex "medicareId\=(?<medicareId>[^,]+)"

That you can test at https://regex101.com/r/9Xt6Tx/1

Ciao.

Giuseppe

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!

Free Professional Services for .conf26 Attendees

This year at .conf26, we are doing something a little different. We are bringing the best minds from ...

Defend at Machine Speed: Your Guide to Security Sessions at .conf26

Splunk .conf26   With threats moving at machine speed and attack surfaces expanding across hybrid ...

Where Innovation Takes Flight: The Splunk4Aviation Flight Sim Lands at .conf26

If you hear someone at .conf26 shouting "gear down, GEAR DOWN" across the show floor, you have found us.  The ...