 
     /**
      *  The regular expression to use for validation. 
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public function get expression():String
     {

 *  @see mx.validators.RegExpValidationResult
 *  @see mx.validators.ValidationResult
 *  @see RegExp
 */
public class RegExpValidator extends Validator
{

    /** 
     *  Error message when there is no regular expression specifed. 
     *  The default value is "The expression is missing."
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
	public function get noExpressionError():String
	{
