Specific format cell that changeable date

[Unexpc]

Hi guys
i have several formats for date that have two or more date to shows in one
this four formats i used
00"/"00"/"00 (this belong a day)
00"/"00"/"00"،"00 (this belong two day)
00"/"00"،"00"/"00"،"00 (this belong two day for two months)
00"،"00"/"00"،"00"/"00"،"00 (this belong two day for two months of two years)
any format cell that can do this?
example i write 000801 and this with first format: 00/08/01
and other 00080102 with second format: 00/08/01،02
for third 0007080102 with third format: 00/07،08/01،02
forth format 000107080102 : 00،01/07،08/01،02