asp截字符串html

<%'**************************************************
'函數名：gotTopic
'作 用：截字符串，漢字一個算兩個字符，英文算一個字符
'參 數：str ----原字符串
' strlen ----截取長度
'返回值：截取後的字符串
'**************************************************
function gotTopic(str,strlen)
if str="" then
gotTopic=""
exit function
end if
dim l,t,c, i
str=replace(replace(replace(replace(str," "," "),""",chr(34)),">",">"),"<","<")
str=replace(str,"?","")
l=len(str)
t=0
for i=1 to l
c=Abs(Asc(Mid(str,i,1)))
if c>255 then
t=t+2
else
t=t+1
end if
if t>=strlen then
gotTopic=left(str,i) & "…"
exit for
else
gotTopic=str
end if
next
gotTopic=replace(replace(replace(replace(gotTopic," "," "),chr(34),"""),">",">"),"<","<")
end function

'=========================================================
'函數：RemoveHTML(strHTML)
'功能：去除HTML標記
'參數：strHTML --要去除HTML標記的字符串
'=========================================================
Function RemoveHTML(strHTML)
Dim objRegExp, Match, Matches
Set objRegExp = New Regexp
objRegExp.IgnoreCase = True
objRegExp.Global = True
'取閉合的<>
objRegExp.Pattern = "<.+?>"
'進行匹配
Set Matches = objRegExp.Execute(strHTML)
' 遍歷匹配集合，並替換掉匹配的項目
For Each Match in Matches
strHtml=Replace(strHTML,Match.Value,"")
Next
RemoveHTML=strHTML
Set objRegExp = Nothing
set Matches=nothing
End Function
%>