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    用正則表達(dá)式過濾html代碼

    代碼例子如下:
    <%
    Option Explicit

    Function stripHTML(strHTML)
    ‘Strips the HTML tags from strHTML

     Dim objRegExp, strOutput
     Set objRegExp = New Regexp

     objRegExp.IgnoreCase = True
     objRegExp.Global = True
     objRegExp.Pattern = “<.+?>”

     ‘Replace all HTML tag matches with the empty string
     strOutput = objRegExp.Replace(strHTML, “”)

     ‘Replace all < and > with < and >
     strOutput = Replace(strOutput, “<“, “<“)
     strOutput = Replace(strOutput, “>”, “>”)

     stripHTML = strOutput ‘Return the value of strOutput

     Set objRegExp = Nothing
    End Function
    %>

    <form method=”post” id=form1 name=form1>
     <b>Enter an HTML String:</b><br>
     <textarea name=”txtHTML” cols=”50″ rows=”8″ wrap=”virtual”><%=Request(“txtHTML”)%></textarea>
     <p>
     <input type=”submit” value=”Strip HTML Tags!” id=submit1 name=submit1>
    </form>

    <% if Len(Request(“txtHTML”)) > 0 then %>
     <p><hr><p>
     <b><u>View of string <i>with no</i> HTML stripping:</u></b><br>
     <xmp>
     <%=Request(“txtHTML”)%>
     </xmp><p>
     <b><u>View of string <i>with</i> HTML stripping:</u></b><br>
     <pre>
     <%=StripHTML(Request(“txtHTML”))%>
     </pre>
    <% End If %>

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