Ability to facet by delimiter (e.g. comma separated fields) #510
Description
E.g. if a field contains "Tags,With,Commas" be able to facet them in the same way as _facet_array= lets you facet ["Tags", "With", "Commas"]
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E.g. if a field contains "Tags,With,Commas" be able to facet them in the same way as _facet_array= lets you facet ["Tags", "With", "Commas"]