get the data part before first dash, delete Non-numeric, you got (1)
get the data after the last dash, delete non-numeric, you got ext99908
get the middle part
get the data part before first dash, delete Non-numeric, you got 416-
delele Non-numeric among the data after dash, you got 123887
get the data after the last dash, delete non-numeric, you got ext99908
get the middle part
get the data part before first dash, delete Non-numeric, you got 416-
delele Non-numeric among the data after dash, you got 123887