Within the replacement string (the second parameter), you can use special values $1 to $9 to indicate the first nine remembered substrings : Replace : String Flash / Flex / ActionScript examples

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Within the replacement string (the second parameter), you can use special values $1 to $9 to indicate the first nine remembered substrings


 

package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){

        var reCase:RegExp = new RegExp("(\w+) (\w+)", "gi");
        var sVal = new String("ActionScript Bible");
        var sRepl = sVal.replace(reCase, "$2, $1");
        trace(sRepl);

    }
  }
}