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INSTR([start%,]stringexpression1$,stringexpression2$)
 
    ■ start%               An optional offset that sets the position
                           for starting the search; must be between
                           1 and 32,767, inclusive. If start% is not
                           given, the INSTR function begins the search
                           at the first character of stringexpression1$.
    ■ stringexpression1$   The string being searched.
    ■ stringexpression2$   The string to look for.
 
Returns
    The character position of the first occurrence of stringexpression2$
    within another stringexpression1$.
 
See Also    ◄LEN►