''''''''IP和整数互换 {s11ss 2007-12-9}''''''''

Option Explicit
Dim str,re,match,n(3),i,answer,q,r

str=InputBox("请输入IP或对应的整数：","IP和整数互换","127.0.0.1")

If str="" Then WScript.Quit

Set re = New RegExp
re.Global = True
re.IgnoreCase = True
re.MultiLine = false

'IP转整数:
re.Pattern = "^(\d{1,2}|[0-1]\d{2}|2[0-4]\d|25[0-5])\.(\d{1,2}|[0-1]\d{2}|2[0-4]\d|25[0-5])\.(\d{1,2}|[0-1]\d{2}|2[0-4]\d|25[0-5])\.(\d{1,2}|[0-1]\d{2}|2[0-4]\d|25[0-5])$"
If re.Test(str) Then
     Set match=re.Execute(str)
     For i=0 To 3
             n(i)=CInt(match(0).Submatches(i))
             answer=answer+n(i)*256^(3-i)
     Next
     InputBox vbcrlf&"IP："&str&vbcrlf&vbcrlf&vbcrlf&"对应的整数为：","转换结果",answer
     WScript.Quit
End If

'整数转IP:
re.Pattern="^\d+$"
If re.Test(str) Then
        q=CLng(str)
        answer=""
        While q<>0
                r=q Mod 256
                q=q\256
                If answer="" Then
                        answer=CStr(r)
                Else
                        answer=CStr(r)&"."&answer
                End if
        Wend
        InputBox vbcrlf&"整数："&str&vbcrlf&vbcrlf&vbcrlf&"对应的IP为：","转换结果",answer
End If