as3基础代码系列2-String大小写转换

package    
{
  import flash.display.Sprite;
  
   /**
    * 字符串大小写转换
    * @author xcf007
    */
   public  class case1 extends Sprite
  {
    
     public function case1() 
    {
      var example:String =  "What case?";
      trace(example.toLowerCase()); //转化为小写
      trace(example.toUpperCase()); //转化为大写
      trace(example.valueOf());      
    }
    
  }
  
}

       //不区分大小写的比较
      var sTitleOne:String =  new String( "ActionScript Bible");
      var sTitleTwo:String =  new String( "ActionScript bible");
      trace(sTitleOne.valueOf() == sTitleTwo.valueOf()); //false
      trace(sTitleOne.toUpperCase() == sTitleTwo.toUpperCase()); //true

      var example:String =  "Cool. This is a cool as both cool (lowercase) and Cool.";
      var search:String =  "cool";
      trace(example.lastIndexOf(search)); //最后一次匹配的首字符索引位置

     public function case1() 
    {
      var example:String =  "bRuCE";
      trace(toInitialCap(example)); // 首字母大写形式,Displays: Bruce
    }
     public  static function toInitialCap( original:String ):String {
         return original.charAt(0).toUpperCase() + original.substr(1).toLowerCase();
    }