日期:2008-10-23  浏览次数:21154 次


<%
' 以前写全文检索程序的时候写的.
' 原创 by 飞鸟@dev-club.com
' Email: flybird@dev-club.com
' ie5.5 脚本引擎 required

   dim patern
   dim found
  
   dim str
   dim result
  
   patern="(a)|(b)"
   str=" A dog fall in love with a cat. Can you believe?"
   result=""  
   call getMatchText(str,result,false)
   Response.Write result

   sub getMatchText(byref str,byref result,isNeedTrunc)
     'on error resume next
     Dim regEx, Match, Matches
     dim tStr
     Set regEx = New RegExp     ' 建立正则表达式。    
     regEx.Pattern = (patern)  ' 设置模式。
     regEx.IgnoreCase = True     ' 设置是否区分字符大小写。
     regEx.Global = True     ' 设置全局可用性。
     Set Matches = regEx.Execute(str)  ' 执行搜索。  
     if err.number<>0 then
       response.write "错误1:" & err.description
       err.clear
       exit sub
     end if
     if matches.count <>0 then
       dim startIndex      
       dim myMatchValue
       startIndex=1
       for each match in matches
         if (instr(str,match.value)>0) then
           if instr(str,match.value)-50 >0 then
             startIndex=instr(str,match.value)-50
           else
             startIndex=1
           end if
           myMatchValue=match.value
           exit for
         end if
       next
       if isNeedTrunc then
         result= (mid(str,startIndex,strLength(myMatchValue)+100))
       else
         result= (str)  
       end if
       for each match in matches
         if not(instr(result,"<font color=red>" & match.value & "</font>")>0) then
           result=replace(result,match.value,"<font color=red>" & match.value & "</font>" )
         end if
       next
       found=true
     else
       found=false
     end if  
     set regEx=nothing
   end sub
  
%>