正则方式提取页面中的图片地址

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<title>CETM-中国门户技术网</title><Textarea style='width:100%;height:300' id='a'>

<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; Charset=gb2312">
<META content=LD在线网页编辑器v2 name=GENERATOR>
<STYLE>
body{}
a{}
a.hover{}
</STYLE>
</HEAD>
<BODY>

<IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em1.gif" lshdic=""> <IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em2.gif" lshdic=""> <IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em3.gif" lshdic=""> <IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em4.gif" lshdic=""> <IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em5.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em6.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em7.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em8.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em9.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em10.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em11.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em12.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em13.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em14.gif" lshdic=""> <IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em15.gif" lshdic=""> <IMG style="FILTER: ; CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em16.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em17.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em18.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em19.gif" lshdic=""> <IMG style="CURSOR: hand" src="http://www.lshdic.com/bbs/image/biaoqing/em20.gif" lshdic=""> <A href="javascript:opener=null;close()">[关闭窗口]</A> </BODY></HTML>
</textarea><br>
<input type='button' value='查找搜索图片地址' onclick='find1()'><a href=http://www.80nian.net>CETM提供</a><br>
<Textarea style='width:100%;height:200' id='b'></textarea>
<script>
function find1(){ //原作:CETM，我的方法可能不是最优效的但能解决问题，VBS的楼主自己变通
str1=a.value;strs="" //定义加速变量
var rep1=new RegExp("<img( ||.*?)src=('|\"|)(.*?)('|\"|>| )","gim") //定义正则模式
str2=str1.match(rep1) //搜索，主要得到length
rep1.exec(str1) //刷新regexp.$3
for(i=0;i<str2.length;i++){ //循环
rep1.exec(str1) //刷新regexp.$3
strs+=(RegExp.$3+"\n") //给值，起加速作用
}
b.value=strs
}
</script>

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