public static boolean isXML11ValidName(String name) {
        int length = name.length();
        if (length == 0) {
            return false;
        }
        int i = 1;
        char ch = name.charAt(0);
        if (!isXML11NameStart(ch)) {
            if (length > 1 && isXML11NameHighSurrogate(ch)) {
                char ch2 = name.charAt(1);
                if (!XMLChar.isLowSurrogate(ch2) ||
                        !isXML11NameStart(XMLChar.supplemental(ch, ch2))) {
                    return false;
                }
                i = 2;
            } else {
                return false;
            }
        }
        while (i < length) {
            ch = name.charAt(i);
            if (!isXML11Name(ch)) {
                if (++i < length && isXML11NameHighSurrogate(ch)) {
                    char ch2 = name.charAt(i);
                    if (!XMLChar.isLowSurrogate(ch2) ||
                            !isXML11Name(XMLChar.supplemental(ch, ch2))) {
                        return false;
                    }
                } else {
                    return false;
                }
            }
            ++i;
        }
        return true;
    }
Check to see if a string is a valid Name according to [5]
in the XML 1.1 Recommendation

@param name string to check
@return true if name is a valid Name
stroom-util/src/main/java/stroom/util/xml/XML11Char.java