function to retrieve a list of unique characters from a column
I have a column with a lot of text inside (some 14000 rows).
The question came to mind to know which unique characters appear in this
column.
I couldn't find a formula that can help me answer my question.
So... does anybody know how to get a list of unique characters that occur
within a column? There are functions to give me the count of unique
characters, so I don't need that.
Greets,
Pluggie
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