i have regex
(?:([A-Z]+))?FS[A-Z ]-d(?:[^n,()-]/dd)?

https://regex101.com/r/udRNA5/1

i want to recognize this numbers as FS-xxxx/24/yy/xx
please help me, or give me information where i can search.
I tried change [A-Z ] position but without effect.
when I insert a hyphen character permanently, it stops detecting other