I am trying to extract fields Environment and Service with below search and receiving the error 'SearchParser': Missing a search command before '^'.
I got the rex command from Splunk field extractor screen, however, this error comes up in the search window.
index=*** base search | rex field=message "^[^\\\n]*\\"(?P<Environment>[^\\]+)[^=\n]*=\\"(?P<Service>[^\\]+)"
Sample event:
{ "__CURSOR" : "s=ccf7ccd2666b481c880c3a36c2d0d504;i=71c1b4;b=423aef85e8a745d785e26ea9b1611d92;m=9cd3993341;t=598cb4887fb24;x=29d41973a54be13c", "__REALTIME_TIMESTAMP" : "1575373746207524", "__MONOTONIC_TIMESTAMP" : "673564930881", "_BOOT_ID" : "423aef85e8a745d785e26ea9b1611d92", "_UID" : "0", "_GID" : "0", "_CAP_EFFECTIVE" : "1fffffffff", "_SYSTEMD_SLICE" : "system.slice", "_MACHINE_ID" : "6be70c13152f40488b5f3b3847dc2bd0", "_HOSTNAME" : "ocf-splunk-nonprod-linux-1", "_TRANSPORT" : "stdout", "PRIORITY" : "6", "_STREAM_ID" : "f5dbc3d1330f4783bf0586cfaad9a4fc", "SYSLOG_IDENTIFIER" : "polling_url.sh", "_PID" : "2345", "_COMM" : "cat", "_EXE" : "/usr/bin/cat", "_CMDLINE" : "/bin/cat", "_AUDIT_SESSION" : "8872", "_AUDIT_LOGINUID" : "0", "_SYSTEMD_CGROUP" : "/system.slice/crond.service", "_SYSTEMD_UNIT" : "crond.service", "MESSAGE" : "2019-12-03 05:49:05, Environment=\"OTS STRESS(CDC)\", Service=\"services-orderdetails-stress.apps.cdc-b.lle.xpaas.kohls\", WSDL_Service=\"KohlsOrderService\", Status=404, Response_Time=0.244, Endpoint=\"https://oms-services-orderdetails-stress.apps.cdc-b.lle.xpaas.kohls.com/ots_orderstatus/KohlsOrderService?wsdl\"" }
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