delphi PosAnsi

function ValidateName(n: string): string;
var banned, res: string; i,j: integer;
begin
  res:= n;
  banned:= '/:*?"<>|';
  for i:= 1 to Length(res) do
    for j:= 1 to Length(banned) do
      if res[i]=banned[j] then res[i]:=' ';
  Result:= res;
end;