Drop field with dynamic name in filebeat

[malcolm666]

Hi.
I have filebeat (version 7.6.1) deployed in k8s and some application. This application generates a lot of json data that is parsed. I want to drop some json fields from the filebeat output. The problem is that the names of fields are dynamic but the beginning of field name always is "affected_tmp_". So I want to delete all fields using regex "affected_tmp*".
How can I configure that in filebeat?
I found the similar question but there was no answer

Drop multiple fields with regex on field names using filebeat

Hello, I'm trying to send a big json file through filebeat to elasticsearch but I have too many fields so I want to drop a lot a them. I saw on the doc that I can do this using the filebeat processor and I did smthing like this : processors: drop_fields: when: or: - regexp: thefield_name_randomstring: "test." - regexp: thefield_name_itsthebest: "test." fields: ["thefield_name_itsthebest", "thefield_name_randomstring"] It works fine but since I want to drop a lot of fields , I wanted…