return Date.from(instant);
        } catch (final DateTimeParseException e) {
            // Try fallback
        }
        // Fallback to custom pattern for non-standard formats (e.g., single-digit day)
        try {
            return DATE_FORMAT_HOLDER.get().parse(value);
        } catch (final ParseException e) {
            return null;
        }
    }

    /**

		// like an IP address.
		isNotNumber := false
		for i := range len(piece) {
			switch {
			case (piece[i] >= 'a' && piece[i] <= 'z' ||
				piece[i] == '-'):
				// Found a non-digit character, so
				// this piece is not a number.
				isNotNumber = true
			case piece[i] >= '0' && piece[i] <= '9':
				// Nothing to do.
			default:
				// Found invalid character.
				return false
			}

    public static final String ERRORS_password_no_lowercase = "{errors.password_no_lowercase}";

    /** The key of the message: Password must contain at least one digit. */
    public static final String ERRORS_password_no_digit = "{errors.password_no_digit}";

    /** The key of the message: Password must contain at least one special character. */

# Require uppercase letters in password.
password.require.uppercase=false

# Require lowercase letters in password.
password.require.lowercase=false

# Require digits in password.
password.require.digit=false

# Require special characters in password.
password.require.special.char=false


# ----------------------------------------------------------

    /**
     * Get the value for the key 'password.require.digit'. <br>
     * The value is, e.g. false <br>
     * comment: Require digits in password.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getPasswordRequireDigit();

    /**
     * Is the property for the key 'password.require.digit' true? <br>
     * The value is, e.g. false <br>

are in <a href="#Rune_literals">rune literals</a> (except that <code>\'</code> is illegal and
<code>\"</code> is legal), with the same restrictions.
The three-digit octal (<code>\</code><i>nnn</i>)
and two-digit hexadecimal (<code>\x</code><i>nn</i>) escapes represent individual
<i>bytes</i> of the resulting string; all other escapes represent
the (possibly multi-byte) UTF-8 encoding of individual <i>characters</i>.

wanted to produce 2n-wide T, we would do // // for i := 0; i < n; i++ { // d := bLimbs[i] // T[n+i] = addMulVVW(T[i:n+i], aLimbs, d) // } // // where d is a digit of the multiplier, T[i:n+i] is the shifted // position of the product of that digit, and T[n+i] is the final carry. // Note that T[i] isn't modified after processing the i-th digit. // // Instead of running two loops, one for Step 1 and one for Steps 2–6, // the result of Step 1 is computed during the next loop. This is // possible because...

wanted to produce 2n-wide T, we would do // // for i := 0; i < n; i++ { // d := bLimbs[i] // T[n+i] = addMulVVW(T[i:n+i], aLimbs, d) // } // // where d is a digit of the multiplier, T[i:n+i] is the shifted // position of the product of that digit, and T[n+i] is the final carry. // Note that T[i] isn't modified after processing the i-th digit. // // Instead of running two loops, one for Step 1 and one for Steps 2–6, // the result of Step 1 is computed during the next loop. This is // possible because...