excel - How to use InStr function in VBA 2003? -


the code below returned error 5 @ instr call:

option explicit  sub test()      dim wb workbook      dim wbs workbooks      dim str string      dim lposition integer       set wbs = application.workbooks      each wb in wbs         str = wb.name         lposition = instr(0, str, "_", vbtextcompare)         msgbox lposition      next wb end sub

could please explain why?

start index of instr function 1-based => 0 invalid value.

see exceptions section of http://msdn.microsoft.com/en-us/library/8460tsh1%28v=vs.80%29.aspx


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