How to define user-exits by name

Question:
Is it possible to define which program that are an user-exit, by the name of the program ?
I mean:
All programs starting by zz is a user-exit or ?!
Answer:
Not really.
Regards
Vasim
Answer:
You can look at function modules that begin with exit_sa**_nnn
sa** is original sap program name in which exit occurs
where nnn is number
But, unfortunately that is not an exhaustive list, since SAP have a few ways in which they implemented user exits.

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