Function ReplacePlus(Expression, Find, ReplaceWith, Start, Length)
Expression = Expression & ""
ReplacePlus = Expression
If Not IsNumeric(Start) Or Start < 1 Then Exit Function
If Not IsNumeric(Length) Or Length < 0 Then Exit Function
Find = Find & ""
ReplaceWith = ReplaceWith & ""
Dim ExpressionLength : ExpressionLength = Len(Expression)
If Start > ExpressionLength Then Start = ExpressionLength
If Length > ExpressionLength - Start Then Length = ExpressionLength - Start