Regex For Left & Right Trim On String

function TrimAll(TrimAll)
{
	var RegExobj = /^(\s*)$/;

	//Check For All Whitespaces
    	if(RegExobj.test(TrimAll))
	{
       		TrimAll = TrimAll.replace(RegExobj, '');
       		if( TrimAll.length == 0)
            			return TrimAll;
    	}

   	//Check For Leading & Trailing Whitespaces
   	RegExobj = /^(\s*)([\W\w]*)(\b\s*$)/;
   	if(RegExobj.test(TrimAll))
	{
       		//Remove Leading And Trailing White Space Characters
       		TrimAll = TrimAll.replace(RegExobj, '$2');
    	}
   	return TrimAll;
}