Method isVowel

forge-core/src/main/java/forge/util/Lang.java:190–192

(final char letter)

    private static final Pattern VOWEL_PATTERN = Pattern.compile("[aeiou]", Pattern.CASE_INSENSITIVE);

    public static boolean isVowel(final char letter) {
        return VOWEL_PATTERN.matcher(String.valueOf(letter)).find();
    }

    public final static String[] numbers0 = new String[] {
            "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",