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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>从指定URL中提取文件名</title>
</head>
<script language="javaScript">
function deal(myform){
var url=form1.url.value;
objExp=/http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?(\/\w+)*.\w{3}$/;
if(url==""){
alert("请输入URL地址!");form1.url.focus();return;
}
if(objExp.test(url)){
myform.lastUrl.value=convert(url);
}else{
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JS代码...