+var jsc = now(),
+       rscript = /<script(.|\s)*?\/script>/g,
+       rselectTextarea = /select|textarea/i,
+       rinput = /text|hidden|password|search/i,
+       jsre = /=\?(&|$)/,
+       rquery = /\?/,
+       rts = /(\?|&)_=.*?(&|$)/,
+       rurl = /^(\w+:)?\/\/([^\/?#]+)/,
+       r20 = /%20/g;
+
 jQuery.fn.extend({
        // Keep a copy of the old load
        _load: jQuery.fn.load,
                                                jQuery("<div/>")
                                                        // inject the contents of the document in, removing the scripts
                                                        // to avoid any 'Permission Denied' errors in IE
-                                                       .append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
+                                                       .append(res.responseText.replace(rscript, ""))
 
                                                        // Locate the specified elements
                                                        .find(selector) :
                })
                .filter(function(){
                        return this.name && !this.disabled &&
-                               (this.checked || /select|textarea/i.test(this.nodeName) ||
-                                       /text|hidden|password|search/i.test(this.type));
+                               (this.checked || rselectTextarea.test(this.nodeName) ||
+                                       rinput.test(this.type));
                })
                .map(function(i, elem){
                        var val = jQuery(this).val();
        };
 });
 
-var jsc = now();
-
 jQuery.extend({
 
        get: function( url, data, callback, type ) {
                // checked again later (in the test suite, specifically)
                s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
 
-               var jsonp, jsre = /=\?(&|$)/, status, data,
+               var jsonp, status, data,
                        type = s.type.toUpperCase();
 
                // convert data if not already a string
                if ( s.dataType === "jsonp" ) {
                        if ( type === "GET" ) {
                                if ( !jsre.test( s.url ) ) {
-                                       s.url += (/\?/.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
+                                       s.url += (rquery.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
                                }
                        } else if ( !s.data || !jsre.test(s.data) ) {
                                s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
                        var ts = now();
 
                        // try replacing _= if it is there
-                       var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
+                       var ret = s.url.replace(rts, "$1_=" + ts + "$2");
 
                        // if nothing was replaced, add timestamp to the end
-                       s.url = ret + ((ret === s.url) ? (/\?/.test(s.url) ? "&" : "?") + "_=" + ts : "");
+                       s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
                }
 
                // If data is available, append data to url for get requests
                if ( s.data && type === "GET" ) {
-                       s.url += (/\?/.test(s.url) ? "&" : "?") + s.data;
+                       s.url += (rquery.test(s.url) ? "&" : "?") + s.data;
                }
 
                // Watch for a new set of requests
                }
 
                // Matches an absolute URL, and saves the domain
-               var parts = /^(\w+:)?\/\/([^\/?#]+)/.exec( s.url );
+               var parts = rurl.exec( s.url );
 
                // If we're requesting a remote document
                // and trying to load JSON or Script with a GET
                }
 
                // Return the resulting serialization
-               return s.join("&").replace(/%20/g, "+");
+               return s.join("&").replace(r20, "+");
        }
 
 });