FIND
Finds a sub-string in a message string. Gives the position in the string of the sub-string.
Arguments | |||
|---|---|---|---|
IN | IN | MESSAGE | Any message string |
Pat | Pat | MESSAGE | Any non-empty string (Pattern) |
FIND | Pos | DINT | = 0 if sub string Pat not found = position of the first character of the first occurrence of the sub-string Pat (first position is 1) this function is case sensitive |
Example
(* FBD Program using "FIND" Function *)
(* ST Equivalence: *)
complete_string := 'ABCD' + 'EFGH'; (* complete_string is 'ABCDEFGH' *) found := FIND (complete_string, 'CDEF'); (* found is 3 *)
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