Merge "[webview] Fix handling of unicode digits in address detection."

    // A house number component is "one" or a number, optionally

    // followed by a single alphabetic character, or

    private static final String HOUSE_COMPONENT = "(?:one|\\d+([a-z](?=[^a-z]|$)|st|nd|rd|th)?)";

    private static final String HOUSE_COMPONENT = "(?:one|[0-9]+([a-z](?=[^a-z]|$)|st|nd|rd|th)?)";

    // House numbers are a repetition of |HOUSE_COMPONENT|, separated by -, and followed by

    // a delimiter character.

            Pattern.CASE_INSENSITIVE);

    private static final Pattern sSuffixedNumberRe =

            Pattern.compile("(\\d+)(st|nd|rd|th)", Pattern.CASE_INSENSITIVE);

            Pattern.compile("([0-9]+)(st|nd|rd|th)", Pattern.CASE_INSENSITIVE);

    private static final Pattern sZipCodeRe =

            Pattern.compile("(?:\\d{5}(?:-\\d{4})?)" + WORD_END, Pattern.CASE_INSENSITIVE);

            Pattern.compile("(?:[0-9]{5}(?:-[0-9]{4})?)" + WORD_END, Pattern.CASE_INSENSITIVE);

    private static boolean checkHouseNumber(String houseNumber) {

        // Make sure that there are at most 5 digits.