14/10/09 02:31:31.03 y+QJXyAp
最近の変更だと、こうすれば汎用的では?
sample_dat = " document.getElementById('downloadB').addEventListener('click', function() {window.location = \"/d/33358575/\" + (856903 % 51245 + 856903 % 913) + \"/sample.dat\";});";
sample_dat .match('("/d/.+?");');
println( eval(RegExp.$1) );