Flash / Flex / ActionScript/TextField/selection

Selecting Text with ActionScript

 
package {
  import flash.display.Sprite;
  import flash.text.TextField;
  public class Main extends Sprite {
    public function Main(  ) {
      var field:TextField = new TextField(  );
     
        stage.focus = field;                  // Set the focus to the text field
        field.text = "this is example text";  // Set the text value
        field.setSelection(0, 4);             // Highlight the word "this"
      addChild(field);
    }
  }
}

Use the read-only selectionBeginIndex and selectionEndIndex properties to retrieve the indices of the selected character range.

 
package {
  import flash.display.Sprite;
  import flash.text.TextField;
  public class Main extends Sprite {
    public function Main(  ) {
      var field:TextField = new TextField(  );
    
        stage.focus = field;                  // Set the focus to the text field
        field.text = "this is example text";  // Set the text value
        field.setSelection(0, 4);             // Highlight the word "this"
      addChild(field);
    }
  }
}