Method isAlphaNumeric

core/src/main/java/io/ddf/util/Utils.java:331–335

(String str)

  }

  public static boolean isAlphaNumeric(String str) {
    Pattern p = Pattern.compile("^[a-zA-Z0-9_-]*$");
    Matcher m = p.matcher(str);
    return m.find();
  }

  public static class JsonSerDes {