怎样去掉excel表格中的英文，标点符号

Sub aa()
Dim x,y,lChar,i,bb(),p,j,m
x = ActiveCellRow
y = ActiveCellColumn
p = Len(Cells(x,y)Value)
ReDim bb(1 To p)
For i = 1 To p
bb(i) = Mid(Cells(x,y)Value,i,1)
Next
For j = 1 To p
lChar = 65536 + Val(Asc(bb(j)))
If lChar >= 45217 And lChar

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