FIND
Àðãóìåíòû:
IN MSG ëþáàÿ ñòðîêà
Pat MSG ëþáàÿ íåïóñòàÿ ñòðîêà
Pos INT =0 åñëè ïîäñòðîêà Pos íå íàéäåíà
=ïîçèöèÿ ïåðâîãî ñèìâîëà ïåðâîãî âõîæäåíèÿ ïîäñòðîêè Pat (ïåðâàÿ ïîçèöèÿ - 1) ýòà ôóíêöèÿ îòëè÷àåò çàãëàâíûå áóêâû îò ïðîïèñíûõ
Îïèñàíèå:
Íàõîäèò ïîäñòðîêó â ñòðîêå. Âîçâðàùàåò ïîëîæåíèå ïîäñòðîêè â ñòðîêå.
(*FBD ïðèìåð áëîêà “FIND”*)
(* ST Ýêâèâàëåíò: *)
complete_string := 'ABCD' + 'EFGH'; (* ïîëíàÿ ñòðîê - ýòî 'ABCDEFGH' *)
found := FIND (complete_string, 'CDEF'); (* íàéäåíî 3 *)
(* IL Ýêâèâàëåíò: *)
LD 'ABCD'
ADD 'EFGH'
ST complete_string
FIND 'CDEF'
ST found