// Query Reserved Characters and Patterns
    // ============================================================

    /** Array of reserved characters for query processing. */
    public static final String[] RESERVED =
            { "\\", "+", "-", "&&", "||", "!", "(", ")", "{", "}", "[", "]", "^", "~", "*", "?", ";", ":", "/" };

    /** Pattern for detecting reserved characters in Lucene field queries. */