テキスト内の\rを削除

/**
 * Copyright umhr ( http://wonderfl.net/user/umhr )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/QrAN
 */

package 
{
    import com.bit101.components.PushButton;
    import flash.desktop.Clipboard;
    import flash.desktop.ClipboardFormats;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.text.TextField;
    import flash.text.TextFormat;
    /**
     * ...
     * @author umhr
     */
    public class CRLFConverter extends Sprite 
    {
        private var _tf:TextField;
        private var _replacedText:String = "";
        public function CRLFConverter() 
        {
            init();
        }
        private function init():void 
        {
            graphics.beginFill(0xEEEEEE);
            graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
            graphics.endFill();
            
            var title:TextField = new TextField();
            title.defaultTextFormat = new TextFormat("_sans", 12, 0x666666);
            title.text = "下のエリアにテキストをペーストしてください。\\nを削除します。";
            title.x = 8;
            title.y = 8;
            title.width = 400;
            title.height = 30;
            title.selectable = title.mouseEnabled = false;
            addChild(title);
            
            _tf = new TextField();
            _tf.defaultTextFormat = new TextFormat("_sans", 10);
            _tf.border = true;
            _tf.x = 8;
            _tf.y = 32;
            _tf.width = stage.stageWidth - 16;
            _tf.height = 400;
            _tf.wordWrap = _tf.multiline = true;
            _tf.type = "input";
            _tf.addEventListener(Event.CHANGE, tf_change);
            _tf.background = true;
            _tf.backgroundColor = 0xFFFFFF;
            addChild(_tf);
            
            new PushButton(this, 8, 440, "Copy to Clipbord", onPush).width = _tf.width;
        }
        
        private function onPush(e:Event):void 
        {
            // OS のクリップボードを取得
            var clipboard:Clipboard = Clipboard.generalClipboard;
            
            // クリップボードに文字列をセット
            clipboard.setData(ClipboardFormats.TEXT_FORMAT , _replacedText);
        }
        
        private function tf_change(e:Event):void 
        {
            _replacedText = _tf.text;
            _replacedText = _replacedText.replace(/\n/g,"");
            _tf.text = _replacedText;
            
        }
        
    }
    
}