NAME
  INSTR Function

SYNOPSIS
  INSTR([start%,]stringexpression1$,stringexpression2$)
      o start%                Sets the character position where the search
                              begins. If start% is omitted, INSTR starts at
                              position 1.
      o stringexpression1$    The string to search.
      o stringexpression2$    The string to look for.

DESCRIPTION
  Returns the position of the first occurrence of a string in another string.

  Example:
      a$ = "Microsoft QBasic"
      PRINT "String position ="; INSTR(1, a$, "QBasic")

SEE ALSO
  LEFT$ RIGHT$ LEN MID$ MID$