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Returns the position of the first occurrence of a string in another string.
 
INSTR([start%,]stringexpression1$,stringexpression2$)
 
    ■ start%                Sets the character position where the search
                            begins. If start% is omitted, INSTR starts at
                            position 1.
    ■ stringexpression1$    The string to search.
    ■ stringexpression2$    The string to look for.
 
Example:
    a$ = "Microsoft QBasic"
    PRINT "String position ="; INSTR(1, a$, "QBasic")
 
See Also    ◄LEFT$, RIGHT$►    ◄LEN►    ◄MID$►