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📄 chkinput.asp

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💻 ASP
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<%
function IsValidEmail(email)

dim names, name2, i, c

IsValidEmail = true
names = Split(email, "@")
if UBound(names) <> 1 then
   IsValidEmail = false
   exit function
end if
for each name2 in names
   if Len(name2) <= 0 then
     IsValidEmail = false
     exit function
   end if
   for i = 1 to Len(name2)
     c = Lcase(Mid(name2, i, 1))
     if InStr("abcdefghijklmnopqrstuvwxyz_-.", c) <= 0 and not IsNumeric(c) then
       IsValidEmail = false
       exit function
     end if
   next
   if Left(name2, 1) = "." or Right(name2, 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

function strLength(str)
       ON ERROR RESUME NEXT
       dim WINNT_CHINESE
       WINNT_CHINESE    = (len("会员")=2)
       if WINNT_CHINESE then
          dim l,t,c
          dim i
          l=len(str)
          t=l
          for i=1 to l
             c=asc(mid(str,i,1))
             if c<0 then c=c+65536
             if c>255 then
                t=t+1
             end if
          next
          strLength=t
       else 
          strLength=len(str)
       end if
       if err.number<>0 then err.clear
end function
%>

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