List.MatchesAll Function in Power Query

The List.MatchesAll function returns true if all items in a list meets a condition, otherwise returns false.

Syntax

Example: We are going to check that whether all the number in the list are positive.

Power Query M

let
  source = {12456, 127895, 128690, 125478}, 
  return = List.MatchesAll(source, each Number.Sign(_)= 1) 
in
  return 

The output of the above code is true. As the all the numbers are positive.