jQuery.removeClassRegEx() remove classes by using a Regex

jquery.removeClassRegEx.js

(function($)
{
	$.fn.removeClassRegEx = function(regex)
	{
		return this.each(function()
		{
			var classes = $(this).attr('class');

			if( !classes || !regex){ return false; }

			var classArray = [];
			classes = classes.split(' ');

			for(var i=0, len=classes.length; i<len; i++)
			{
				if(!classes[i].match(regex))
				{
					classArray.push(classes[i]);
				}
			}

			$(this).attr('class', classArray.join(' '));
		});
	};
})(jQuery);

/*
<span id="remClassRegEx" class="Test Testing someTest aaTestaa leaveme"></span>
     
$("#remClassRegEx").removeClassRegEx();         // Test Testing someTest aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx('');       // Test Testing someTest aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx('Test');   // leaveme
$("#remClassRegEx").removeClassRegEx(/ /);      // Test Testing someTest aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx(/Test/);   // leaveme
$("#remClassRegEx").removeClassRegEx(/^Test/);  // someTest aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx(/Test$/);  // Testing aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx(/^Test$/); // Testing someTest aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx(/test/);   // Test Testing someTest aaTestaa leaveme
$("#remClassRegEx").removeClassRegEx(/test/i);  // leaveme

*/