/** WAVE DASH */
    public static final char WAVE_DASH = '\u301C';

    /** FULLWIDTH TILDE */
    public static final char FULLWIDTH_TILDE = '\uFF5E';

    /** DOUBLE VERTICAL LINE */
    public static final char DOUBLE_VERTICAL_LINE = '\u2016';

    /** PARALLEL TO */
    public static final char PARALLEL_TO = '\u2225';

    /** MINUS SIGN */
    public static final char MINUS_SIGN = '\u2212';

    }

    /**
     * @throws Exception
     */
    public void testFindFractionDelimeter3() throws Exception {
        final String delim = NumberConversionUtil.findDecimalSeparator(null);
        final char c = new DecimalFormatSymbols(LocaleUtil.getDefault()).getDecimalSeparator();
        assertEquals(Character.toString(c), delim);
    }

    /**
     * @throws Exception
     */

    private final String str;

    private int colno = 0;

    private int ttype = TT_NOTHING;

    private String sval;

    private char[] buf = new char[20];

    private int peekc = NEED_CHAR;

    private byte peekct = 0;

    static {
        setup(defaultCtype);
    }

    /**
     * {@link Tokenizer}を作成します。
     *
     * @param str

            bufferSize = DEFAULT_BUF_SIZE;
        }
        char[] buf = new char[bufferSize];
        int size = 0;
        int len;
        try {
            while ((len = reader.read(buf, size, bufferSize - size)) != -1) {
                size += len;
                if (size == bufferSize) {
                    final char[] newBuf = new char[bufferSize + initialCapacity];

        final DecimalFormatSymbols symbols = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(locale);
        final char decimalSep = symbols.getDecimalSeparator();
        final char groupingSep = symbols.getGroupingSeparator();
        final StringBuilder buf = new StringBuilder(20);
        for (int i = 0; i < s.length(); ++i) {
            char c = s.charAt(i);
            if (c == groupingSep) {
                continue;

            return "";
        }
        final int mod = inData.length % 3;
        final int num = inData.length / 3;
        char[] outData = null;
        if (mod != 0) {
            outData = new char[(num + 1) * 4];
        } else {
            outData = new char[num * 4];
        }
        for (int i = 0; i < num; i++) {
            encode(inData, i * 3, outData, i * 4);
        }
        if (mod == 1) {

     *
     * @param value input
     * @return escaped string.
     */
    public static String escape(final String value) {
        if (value == null) {
            return null;
        }

        char c;
        final int len = value.length();
        final StringBuilder buf = new StringBuilder(len * 2);

        for (int i = 0; i < len; i++) {
            c = value.charAt(i);
            switch (c) {