OK. Scratch that. It's some quirkness of the UI. Regardless of whichever version of the TOKENIZER I use if I do a search <my_base_search> | eval mvcount=mvcount(Volume_name_s_) | table Volume_name_s_ mvcount I get (whenever applicable) a proper multivalued field in my table and a count of a dozen or so values. But. The UI displays the values differently depending on which form I use. If I use the TOKENIZER = (\w+-\d+_\d+_\d+) version, when I expand the event contents to see extracted values I see each value on separate line If I use the TOKENIZER = ([^|]+) form, all values are crammed into a single line (but they no longer have pipes between them, just spaces). Strange.
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