private static Boolean isAlphanumeric(final String label){
  boolean status=false;
  if (StringUtils.isNotEmpty(label)) {
    Matcher matcher=patternAlphanumeric.matcher(label);
    status=matcher.matches();
  }
  return status;
}

private static Boolean isAlphanumeric ( final String label ) { boolean status = false ; if ( StringUtils . isNotEmpty ( label ) ) { Matcher matcher = patternAlphanumeric . matcher ( label ) ; status = matcher . matches ( ) ; } return status ; }
validates if a label contains only alphanumeric values
