.* can be used in rex to extract all the contents/values/characters from the matching String. Syntax: Your__Base_Splunk_Query | rex field=field_name "Matching_String: (?<Custom_Field_Name>.*)" Example: Your__Base_Splunk_Query | rex field=info "ExtendedMessage: (?<ExceptionMessage>.*)" As per ....
head can be used in the Splunk Query to show Top N results. Sample Query: < Your Basic Search > | stats count as total by field | sort -total ....
Using max(), min() and strftime(), we can find start and end time for a transaction in Splunk. Sample Splunk Query: Your basic Search Query | stats max(_time) AS tempmax, min(_time) ....
Let's say message field has following JSON: {"SERIAL_NO":"STR123","KEY":"1d00e838-429f-437e-b892-3476280ef71c","LENGTH":"43"} You can use the below to find the KEY Value. rex field=message ".*,\"KEY\":\"(?<strKey>.*)\",\"LENGTH\"" ., - Checks whether it has some string in ....
substr() can be used to get first n characters from a field in Splunk. Syntax: substr(str, start, length) Syntax with Field Reference: eval Summary=substr(description,1,57) Example: eval Summary=substr(description,1,57) From the above ....
search command can be used for sub-search or sub query in Splunk. search command should be within []. Syntax:main query [search subquery] Sample Query:index=abc type=test[search index=abc *Exception* source=Gearliest=-5d | table requestId] ....
Searching for multiple field values in SplunkIN operator can be used to search for multiple field values in SplunkSyntax:field IN (value1, value2, value3)Sample:userId IN (123, 456, 789, 587)
