count - Tableau Filtering on ocurence of a String -


i have field in column filed string can have multiple occurence of same word. want filter column word mus occure , rows show word don't ocure more 1 time. here far:

contains([column1], "santiego") , count(contains([column1], "25")) < 2

the error tells me canot mix agregat , non agregat arguments.

is there possibility kind of filtering?

i found solution,

in filter function have use column need , filter formula:

count(contains([column1], "25")) < 2

after create new calculation put in filter, calculation uses formula:

contains([column1], "santiego")

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