澳门新葡亰娱乐官网邮件退定功能与邮箱地址验证

%function checkisUrl(tmpString) dim c,i checkisUrl = true
tmpString=Lcase(trim(tmpString)) if left(tmpString,7)”” then
tmpString=””&tmpString for i = 8 to Len(checkisUrl) c =
Lcase(Mid(tmpString, i, 1)) if InStr(“abcdefghijklmnopqrstuvwxyz_-.//”,
c) = 0 and not IsNumeric(c) then checkisUrl = false exit function end if
next if Left(tmpString, 1) = “.” or Right(tmpString, 1) = “.” then
checkisUrl = false exit function end if if InStr(tmpString, “.”) = 0
then checkisUrl = false response.Write “f3” exit function end if if
InStr(checkisUrl, “..”) 0 then checkisUrl = false end ifend function%%if
checkisUrl(request(“u”))=true then %恭喜,你的URL通过!%else
%对不起,你的URL不合乎规范,请重新检查!%end if%

<%
澳门新葡亰娱乐官网,dim email
email=request.form(“email”)
if IsValidEmail(email) then
  if request(“action”)=”退订” then
    response.redirect “del_email.asp?email=”&email
  else
    response.redirect “add_email.asp?email=”&email
  end if
else
  ‘response.write
“无效的电子邮件格式,请按“后退”按钮,重填一个有效的Email”
  response.write”<SCRIPT
language=JavaScript>alert(‘无效的电子邮件格式,请重填一个有效的Email!’);”
  response.write”javascript:history.go(-1)</SCRIPT>”
end if

[1]

function IsValidEmail(email)
 dim names, name, i, c
 ‘Check for valid syntax in an email address.
 IsValidEmail = true
 names = Split(email, “@”)
 if UBound(names) <> 1 then
   IsValidEmail = false
   exit function
 end if
 for each name in names
   if Len(name) <= 0 then
     IsValidEmail = false
     exit function
   end if
   for i = 1 to Len(name)
     c = Lcase(Mid(name, i, 1))
     if InStr(“abcdefghijklmnopqrstuvwxyz_-.”, c) <= 0 and not
IsNumeric(c) then
       IsValidEmail = false
       exit function
     end if
   next
   if Left(name, 1) = “.” or Right(name, 1) = “.” then
      IsValidEmail = false
      exit function
   end if
 next
 if InStr(names(1), “.”) <= 0 then
   IsValidEmail = false
   exit function
 end if
 i = Len(names(1)) – InStrRev(names(1), “.”)
 if i <> 2 and i <> 3 then
   IsValidEmail = false
   exit function
 end if
 if InStr(email, “..”) > 0 then
   IsValidEmail = false
 end if
end function
%>

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