List.MatchesAny Function in Power Query
The List.MatchesAny function returns true if any item in a list meets a condition which is given as function, otherwise returns false.
Syntax
 List.MatchesAny(list as list, condition as function) as logical 
Example: Find the value “Japan” is in the given list or not.
Power Query M
let
  source = {"India", "America", "Canada", "Japan", "Australia", "England"}, 
  return = List.MatchesAny(source, each _ = "Japan")
in
  return     The output of the above code returns true.
Example: The function is case sensitive.
Power Query M
let
  source = {"India", "America", "Canada", "Japan", "Australia", "England"}, 
  return = List.MatchesAny(source, each _ = "japan")
in
  return     The output of the above code returns false.