实用函数- 判断输入的是否是电话号码

Source Code
--------------------------------------------------------------------------------
<%
@#******************************************************************************
@# ********************** DO NOT DELETE ****************************************
@#
@# COPYRIGHT NOTICE: Copyright 2000 Nicholas P. LaDieu, node i internet consulting
@#
@# This code is free for non-commercial use. Any commercial usage or
@# duplication requires a licensing agreement from the author who may be
@# contacted at the following email address: nick@nodei.com
@#
@# The author assumes no responsibility for any damage caused by the
@# proper or inproper use of this code.
@#
@# http://www.nodei.com
@# ********************** DO NOT DELETE ****************************************
@#******************************************************************************
Function IsPhone(X)
Dim FieldOk
FieldOk=True
For i = 1 to len(X)
   If IsNumeric(mid(X, i, 1))=False AND mid(X,i,1)<>"-" AND mid(X,i,1)<>"(" AND mid
(X,i,1)<>")" then
FieldOk=False
    End If
Next
@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#NOW STRIP OUT CHARS AND SEE IF WE HAVE A VALID NUMBER

For I = 1 To Len(X)
strCurrentChar = Mid(X, I, 1)
@# Numbers (0 to 9)
If Asc("0") <= Asc(strCurrentChar) And Asc(strCurrentChar) <= Asc("9") Then
strTemp = strTemp & strCurrentChar
End If
@# Upper Case Chars (A to Z)
If Asc("A") <= Asc(strCurrentChar) And Asc(strCurrentChar) <= Asc("Z") Then
strTemp = strTemp & strCurrentChar
End If
Next @#I
X=strTemp


if len(X)=10 AND Left(X,1)="1" then
FieldOk=False
end if

if len(X)<10 then
FieldOk=False
end if

if len(X)>11 then
FieldOk=False
end if

IsPhone=FieldOk
End Function
@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#
@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#
%>
 

原文转自：http://www.ltesting.net