技术资料 > ASP技术 > 正则表达式 : 一个功能更强大的函数，也是用正则表达式写的

一个功能更强大的函数，也是用正则表达式写的

March 25,2004

<%
Option Explicit

Function stripHTML(strtext)
dim arysplit,i,j, strOutput
arysplit=split(strtext,"<")

  if len(arysplit(0))>0 then j=1 else j=0

  for i=j to ubound(arysplit)
   if instr(arysplit(i),">") then
   arysplit(i)=mid(arysplit(i),instr(arysplit(i),">")+1)
   else
   arysplit(i)="<" & arysplit(i)
   end if
  next

  strOutput = join(arysplit, "")
  strOutput = mid(strOutput, 2-j)
  strOutput = replace(strOutput,">",">")
  strOutput = replace(strOutput,"<","<")

  stripHTML = strOutput
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 %>