Filter/replace - VBA
Auto filter:
ActiveSheet.Range("A:F").AutoFilter Field:=3, Criteria1:="*Agent*" Columns("B:B").Select Selection.Delete Shift:=xlToLeft Columns("C:C").Select Selection.Delete Shift:=xlToLeft Columns("D:D").Select Selection.Delete Shift:=xlToLeft
Replace:
Selection.Replace What:=" STAGE", Replacement:="", LookAt:=xlPart, _ SearchOrder:=xlByRows, MatchCase:=False, SearchFormat:=False, _ ReplaceFormat:=False