sample: get some texts from title attribute via regular expression
by sii_side
HTML
<a id="anchor" title="header=abcdeあいうえお body=fghijかきくけこ">a</a>
<ul></ul>
JavaScript
var a = document.querySelector("#anchor");
var m = a.title.match(/header=(.*) body=(.*)/);
document.querySelector("ul").innerHTML += "<li>" + m[1] + "</li>";
document.querySelector("ul").innerHTML += "<li>" + m[2] + "</li>";