excel vba - remove any combinations of characters from vba string -

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i have string value of ;00330508911=010403954? in excel vba remove characters except second set of digits, being 010402600. have tried many other alternatives no luck, appreciated.

assuming question 'how strip out number between equals sign , question mark', it's basic string manipulation:

public function secondnumber(inputstr string) string      'text after equals sign     = mid(inputstr, instr(1, inputstr, "=") + 1, 100)      'and before question mark     b = mid(a, 1, instr(1, a, "?") - 1)      secondnumber = b  end function

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