May I know the coding system?

Question

PHP

There are 1-5 character codes like:
E19MW26GKA
Is it possible to choose a code generation system?

Answer 1

It is forbidden. Codes for various promotions are usually generated without any regularity and are simply compared with the database

Answer 2

in order to understand the system, you need more than 100 sequentially generated codes ...
and if any number of codes is known, but their generation sequence is unknown, then it is almost impossible to find out ...

Answer 3

I doubt...

Answer 4

If you have 3-5-10 thousand such codes, then you can try to find some model behind them (if there is one, and not a simple random one). Otherwise. No.

Answer 5

even if we assume that the generation was made a standard function of any programming language, 5 things are not enough

Answer 6

There are 5 codes and it is clear that they have some kind of pattern