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<%
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
%>
