The below condition does not work well.
This works as a perfect match condition.
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I have the same question (0)In Operator works like sql "IN" operator. Say you want to find all contacts which has city names "New York", "Washigton","LonDON" , then you use IN operator
and enter values New York;Washigton;LonDON
Note the city names are seperated with ";".
You can find detailed information about this in below post