Function NcaNcr(x As String, q As Integer)
Dim s$, t, i&, r$
s = Replace(Replace(LCase(x), "ncr", " "), "nca", " ")
s = Replace(s, "&", " ")
s = Replace(s, """", " ")
s = Replace(s, "'", " ")
s = Replace(s, "{", " ")
s = Replace(s, "(", " ")
s = Replace(s, "[", " ")
s = Replace(s, "-", " ")
s = Replace(s, "|", " ")
s = Replace(s, "`", " ")
s = Replace(s, "_", " ")
s = Replace(s, "\", " ")
s = Replace(s, "^", " ")
s = Replace(s, ")", " ")
s = Replace(s, "@", " ")
s = Replace(s, ")", " ")
s = Replace(s, "]", " ")
s = Replace(s, "°", " ")
s = Replace(s, "+", " ")
s = Replace(s, "=", " ")
s = Replace(s, "}", " ")
s = Replace(s, "/", " ")
s = Replace(s, ",", " ")
s = Replace(s, "?", " ")
s = Replace(s, ".", " ")
s = Replace(s, ";", " ")
s = Replace(s, ":", " ")
s = Replace(s, "/", " ")
s = Replace(s, "!", " ")
s = Replace(s, "-", " ")
s = Application.Trim(s)
t = Split(s)
For i = 0 To UBound(t)
If Not IsNumeric(t(i)) Then Exit For
If Len(t(i)) = q Then r = LTrim(r & " " & t(i))
Next i
NcaNcr = Replace(r, " ", " / ")
End Function