<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>提取代码中的部分代码字段</title>
<style type="text/css">
.left_part { width:600px; float:left; }
.left_part textarea { width:100%; }
.right_part { float:left; width:600px; margin:0 0 0 30px; }
.right_part textarea { width:100%; }
</style>
</head>
<body>
<div class="left_part">
<textarea name="" id="code" cols="120" rows="40">粘贴文本</textarea>
<br>
<br>
<input type="button" value="生成" id="build_btn" style="width:100px; height:100px; font-size:20px; float:right; ">
</div>
<div class="right_part">
<textarea name="" id="build" cols="120" rows="40"></textarea>
</div>
<script>
var reg = after = '';
var t = document.getElementById('code');
var b = document.getElementById('build_btn');
var c = document.getElementById('build');


reg = /\<destination\>(.*)(\.)(shtml|html|jsp|js|css|xml)\<\/destination\>/g;
after = "$1$2$3";


b.onclick = function(){
var v = t.value;
var sc = r = "";
var result = [];
var i = 0;
while ((r = reg.exec(v)) != null){
result[i] = r[0];
i++;
}
for(var i = 0; i < result.length; i++){
for(var j = i + 1; j < result.length; j++){
if(result[i] == result[j]){
result.splice(j,1);
j--;
}
}
}
sc = result.join('\n');
sc = sc.replace(reg,after).replace(/\\/g,'/');
c.value = sc;
c.select();
}
</script>
</body>
</html>