Private Function String_Replace(Str,Pattern,Pattern1,Color,IsString)
  Dim Temp,RetStr
RegEx.Pattern =Pattern1
    Set Matches = RegEx.Execute(Str)
    For Each Match In Matches   ' 遍历 Matches 集合
       Temp=Re(Match.value)
       Str = Replace(Str,Match.value,Temp)
    Next
RegEx.Pattern = Pattern  ' 设置模式。
If IsString=1 Then
       String_Replace=RegEx.Replace(Str,"<font color="&Color&">&quot;$1&quot;</font>")
Else
    String_Replace=RegEx.Replace(Str,"<font color="&Color&">$1</font>")
End If
  End Function

  Private Function Re(Str)
   Dim TRegEx,Temp
   Set TRegEx = New RegExp
   TRegEx.IgnoreCase = True  ' 设置是否区分字母的大小写。
   TRegEx.Global = True   ' 设置全程性质。
   TRegEx.Pattern="<.*?>"
   Temp=TRegEx.Replace(Str,"")
   Temp=Replace(Temp,"<","")
   Temp=Replace(Temp,">","")
   Re=Temp
   Set TRegEx=Nothing
  End Function
  
  Public Function MakeLi()
    Dim Temp
If VBCode="" Then
    MakeLi=""
    Exit Function
End If
    VBCode=HTMLEncode(VBCode)
    Temp=M_Replace(VBCode,"\b("&Keyword&")\b",KeyWordColor)
    Temp=M_Replace(Temp,"\b("&ObjEctCommand&")\b",ObjectCommandColor)
    Temp=String_Replace(Temp,"""(.*?)""","""(.*)(<.+?>)("&KeyWord&ObjectCommand&")+(<.+?>)(.*)""",StringsColor,1)' 字符串
    Temp=String_Replace(Temp,"(('|rem).*)","'(.*)(<.+?>)("&KeyWord&ObjectCommand&")+(<.+?>)(.*)",Comment,0) '注释
    MakeLi="<FONT  COLOR="&CodeColor&">"&RepVbCrlf(Temp)&"</FONT>"
  End Function
  Public Function RepVbCrlf(fString)
     RepVbCrlf = Replace(fString, CHR(10), "<BR> ")
  End Function
  Public Function HTMLEncode(fString)
     If IsNull(fString) Or fString="" Then
     HTMLEncode=""
  Exit Function
     End If
     fString = replace(fString, ">", "&gt;")
     fString = replace(fString, "<", "&lt;")
     'fString = Replace(fString, CHR(32), "&nbsp;")
     'fString = Replace(fString, CHR(9), "&nbsp;")
     'fString = Replace(fString, CHR(34), "&quot;")
     'fString = Replace(fString, CHR(39), "&#39;")
     'fString = Replace(fString, CHR(13), "")
     'fString = Replace(fString, CHR(10) & CHR(10), "</P><P> ")
     'fString = Replace(fString, CHR(10), "<BR> ")
     HTMLEncode = fString
   End Function
End Class

例子

star=timer()
Set TT = New Wyd_AspCodeHighLight
If Request("xx")<>"" Then
  TT.VBCode=Request("xx")
  Response.write TT.MakeLi()
  REsponse.write "<br>"&FormatNumber(timer()-star,2)*1000
Else

%>
<FORM METHOD=POST action="Index2.asp">
<TEXTAREA NAME="xx" ROWS="30" COLS="80">Class Lih
Private RegEx
Public Keyword,ObjectCommand,Strings,VBCode
Public KeyWordColor,ObjectCommandColor,StringsColor,Comment
  Private Sub Class_Initialize()
    Set RegEx = New RegExp
    KeyWordColor="#0000FF"
    ObjectCommandColor="#FF0000"
    StringsColor="#FF00FF"
Comment="#008000"
Keyword="If|End|For|Next|Function|Then|Do|While|Wend|Class"
VBCode=""
  End Sub
  Private Sub Class_Terminate()
    Set RegEx = Nothing
  End Sub
  Private Function M_Replace(Str,Pattern,Color)
    RegEx.IgnoreCase = False   ' 设置是否区分字母的大小写。
    RegEx.Global = True   ' 设置全程性质。
    RegEx.Pattern = Pattern  ' 设置模式。</TEXTAREA>
<INPUT TYPE="submit" value=fff>
</FORM>
<%
End If
%>