You can find more information from Usage of Splunk commands : REX. So in all the events Raj will replaced by RAJA in our case. Then again we have used one â/â, after this we have to write regex or string ( RAJA) which will come in place of substituted portion. Here âsâ is used for substituting after â/â we have to use regex or string which we want to substitute ( Raj ). After that we have used field and mode attribute with rex command. In the above query we are getting data from replace index and sourcetype name in replacelog. Query : index="replace" sourcetype="replacelog" | rex field=_raw mode=sed "s/Raj/RAJA/g" How to use REX command to extract multiple fields in splunk Ask Question Asked 3 years, 7 months ago Modified 3 years, 7 months ago Viewed 4k times 0 I want to be able to extract multiple fields in splunk using rex, but I am only able to extract 3 fields, then it stops working. We have to write a query to replace any string in all events. you can assign tags (one or multiple) to any field/value combinations. See we are getting data from replace index and sourcetype name is replacelog. Splunk treats the asterisk characteras a major breaker (more on this later). See below we have uploaded a sample data. We will show you how to replace any string or values in all events in Splunk. Description Use this command to run a subsearch that includes a template to iterate over the following elements: Each field in a wildcard field list Each value in a single multivalue field A single field representing a JSON array Syntax The required syntax is in bold. Have you ever thought of replacing any string or values in all events after the data indexed in the indexer ?, You might be thinking âSplunk Replace commandâ but NO, this post will have some other solution to this problem !! Now we will show you more advance functions of SPL commands. Now we will show the power Splunk Developer. It is the responsibility of Splunk Admin to do this. We all know that we can replace any string or values in events from the back-end using some attribute in nf. All of know that in the Search Head when we perform any query we take the help of SPL command. Multivalue eval functions The following list contains the functions that you can use on multivalue fields or to return multivalue fields. And this gives me only 2 results whereas i have multiple results. Today we have come with a new magic trick of Splunk. I using a query : indexabc source'unknown.log' '192.0.44.13' rex 'Value 0: (.)' rex 'Value 1: (.)' stats count by device ip. This variation works: rex fieldraw 'deviceType:s (S+)' table deviceType For better results, however, try the extract command.Hope all of you are enjoying these blog posts. 1 Answer Sorted by: 2 The problem with the first query is not the separator, but the regex itself. How To Replace Any String Or Values In All Events In Splunk
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