To know whether at least one match exists.

 


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

        var sEmail:String = new String("someone@someserver.com");
        var reEmail:RegExp = new RegExp("^([\\w\\-\\.]+) ;@(([\\w\\-]{2,}\\.)+[\\w\\-]{2,3})$");
        trace(reEmail.test(sEmail));
    }
  }
}

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12.	Quantifiers
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14.	(*) quantifier matches zero or more times:

To know whether at least one match exists. : RegExp « Regular Expressions « Flash / Flex / ActionScript

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