Some minor lint fixes for the RegExp.

src/attributes.js

 (function( jQuery ) {
 
 var rclass = /[\n\t]/g,
-	rspace = /\s+/,
+	rspaces = /\s+/,
 	rreturn = /\r/g,
 	rspecialurl = /^(?:href|src|style)$/,
 	rtype = /^(?:button|input)$/i,
@@ -32,7 +32,7 @@ jQuery.fn.extend({
 		}
 
 		if ( value && typeof value === "string" ) {
-			var classNames = (value || "").split( rspace );
+			var classNames = (value || "").split( rspaces );
 
 			for ( var i = 0, l = this.length; i < l; i++ ) {
 				var elem = this[i];
@@ -66,7 +66,7 @@ jQuery.fn.extend({
 		}
 
 		if ( (value && typeof value === "string") || value === undefined ) {
-			var classNames = (value || "").split(rspace);
+			var classNames = (value || "").split( rspaces );
 
 			for ( var i = 0, l = this.length; i < l; i++ ) {
 				var elem = this[i];
@@ -104,7 +104,7 @@ jQuery.fn.extend({
 				// toggle individual class names
 				var className, i = 0, self = jQuery(this),
 					state = stateVal,
-					classNames = value.split( rspace );
+					classNames = value.split( rspaces );
 
 				while ( (className = classNames[ i++ ]) ) {
 					// check each className given, space seperated list

src/core.js

@@ -17,7 +17,7 @@ var jQuery = function( selector, context ) {
 
 	// A simple way to check for HTML strings or ID strings
 	// (both of which we optimize for)
-	quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w-]+)$)/,
+	quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/,
 
 	// Is it a simple selector
 	isSimple = /^.[^:#\[\.,]*$/,