I have unstructured data that can vary, and I want to find results that match exactly 32 lowercase a-z characters, and then group based on that match. My field name is cs6, which includes an entire HTTP request. I see that my regex is quite simple, regex cs6="[a-z]{32}". How do I further extract this value and group on the occurrences to find out which of these is most common? These represent Chrome extension IDs.
The examples that I found seemed to require me to have a consistent prefix, which I won't have.
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