code: public static Validation<String> moreThan(int size, String msg) {
          return notEmpty().and(SimpleValidation.from((s) -> s.length() >= size, format(msg, size)));
      }
docs: The input string must be more than or equal to size. if yes, the check passes
  
  @param size string size
  @param msg  error message after verification failed
  @return Validation