Sub test()
Application.ScreenUpdating = False
Dim rng As Range
Dim strg$
i& = Sheet1.Cells(Rows.Count, 1).End(xlUp).Row
For Each rng In Sheet1.Range("A2:A" & i).Cells
For j& = 1 To Len(rng)
Select Case Asc(Mid(rng, j, 1))
Case 48 To 57, 65 To 90, 97 To 122:
strg = strg & Mid(rng, j, 1)
Sheet1.Cells(rng.Row, rng.Column + 1) = strg
End Select
Next
strg = vbNullString
Next
Application.ScreenUpdating = True
End Sub