CREATE FUNCTION [dbo].[svf_IsExistDataList] (
   @SearchString nvarchar(MAX),
   @DataLists nvarchar(MAX),
   @Delimiter nvarchar(MAX) = N','
   )
RETURNS BIT
AS
BEGIN
    RETURN
        CASE WHEN (CHARINDEX(@SearchString, @DataLists) > 0
        AND (@DataLists = @SearchString
                OR @DataLists LIKE @SearchString + @Delimiter + N'%'
                OR @DataLists LIKE N'%' + @Delimiter + @SearchString + @Delimiter + N'%'
                OR @DataLists LIKE N'%' + @Delimiter + @SearchString)
            )
         THEN 1
         ELSE 0
      END
END