Moved some RegExp in core.js, goes toward #4111.

diff --git a/src/core.js b/src/core.js
index 2a064c2..18ecf21 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -25,6 +25,12 @@ var jQuery = function( selector, context ) {
        // Is it a simple selector
        isSimple = /^.[^:#\[\.,]*$/,
 
+       // Check if a string has a non-whitespace character in it
+       rnotwhite = /\S/,
+
+       // Used for trimming whitespace
+       rtrim = /^\s+|\s+$/g,
+
        // Keep a UserAgent string for use with jQuery.browser
        userAgent = navigator.userAgent.toLowerCase(),
 
@@ -303,7 +309,7 @@ jQuery.extend({
 
        // Evalulates a script in a global context
        globalEval: function( data ) {
-               if ( data && /\S/.test(data) ) {
+               if ( data && rnotwhite.test(data) ) {
                        // Inspired by code by Andrea Giammarchi
                        // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
                        var head = document.getElementsByTagName("head")[0] || document.documentElement,
@@ -366,7 +372,7 @@ jQuery.extend({
        },
 
        trim: function( text ) {
-               return (text || "").replace( /^\s+|\s+$/g, "" );
+               return (text || "").replace( rtrim, "" );
        },
 
        makeArray: function( array ) {