public static boolean isFPZero(@NotNull String text) {
    for (int i = 0; i < text.length(); i++) {
      final char c = text.charAt(i);
      if (Character.isDigit(c) && c != '0') return false;
      final char d = Character.toUpperCase(c);
      if (d == 'E' || d == 'P') break;
    }
    return true;
  }
public static boolean isFPZero(@NotNull String text)