I have a field called user_name. Examples of entries are "user", "User" and "someuser". When I aggrrgate by terms, the result treats "user" and "User" as 2 different results. Rightly so, for obvious reasons. However, is there a way for Elasticsearch to treat them as the same? Even if the entry would be "user", "User", "uSeR" or "UsEr", aggregations would fall to the same bucket "USER". Thanks in advance.
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