var docs = document.body.innerHTML;
var links =docs.match(/ed2k.*/|///gi);//注意這里 使用了點(.)符號匹配任意字符
document.body.innerHTML = "";
for( var link in links){<BR>
document.body.innerHTML += links[link]+"<br/>"
}

var docs = document.body.innerHTML;
var links =docs.match(/ed2k[/s/S]*?/|///gi);//注意這里[/s/S]
document.body.innerHTML = "";
for( var link in links){
document.body.innerHTML += links[link]+"<br/>"
}