http://stackoverflow.com/questions/
3771105/can-someone-tell-me-the-purpose-of-the-second-capture-group-in-the-jquery-rts-reg
rbracket = /\[\]$/,
jsre = /\=\?(&|$)/,
rquery = /\?/,
- rts = /([?&])_=[^&]*(&?)/,
+ rts = /([?&])_=[^&]*/,
rurl = /^(\w+:)?\/\/([^\/?#]+)/,
r20 = /%20/g,
rhash = /#.*$/,
var ts = jQuery.now();
// try replacing _= if it is there
- var ret = s.url.replace(rts, "$1_=" + ts + "$2");
+ var ret = s.url.replace(rts, "$1_=" + ts);
// if nothing was replaced, add timestamp to the end
s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");