String instructions
In this section:
CONCAT
Concatenate (attach) a string
DELETE
Delete characters from a string
FIND
Find string's position
FIND_AFTER_POS
Find string's position
INSERT
Insert characters
LEFT
Copy characters from the left
LEN
String length
MAX_LEN
Returns the maximum string length
MID
Copy characters from a middle position
REPLACE
Replaces characters
RIGHT
Copy characters from the right
SET_LEN
Set string length
FP instructions