Iterable<String> letters = Splitter.on(Pattern.compile(", ")).split(longDelimiter);
    assertThat(letters).containsExactly("", "a", "b", "c").inOrder();
  }

  @GwtIncompatible // java.util.regex.Pattern
  public void testPatternSplitWithLongTrailingDelimiter() {
    String longDelimiter = "a, b, c/ ";
    Iterable<String> letters = Splitter.on(Pattern.compile("[,/]\\s")).split(longDelimiter);

                .getTotalHits()
                .value() > 0);

        // Verify pattern can be retrieved
        final List<Pattern> patterns = urlFilterService.getIncludeUrlPatternList(sessionId);
        assertEquals(1, patterns.size());
        assertTrue(patterns.get(0).matcher("http://example.com/page1").matches());
        assertFalse(patterns.get(0).matcher("http://other.com/page1").matches());

    }

    /**
     * Converts a GSA URL pattern into a regular expression pattern suitable for Fess.
     * Handles various GSA pattern formats including regexp, contains, and URL-based patterns.
     *
     * @param s the input GSA pattern string
     * @return a regular expression pattern string, or empty string for comments/invalid patterns
     */
    protected String getFilterPath(final String s) {

        new LicenseMatcher("EDL-1.0", true, false, Pattern.compile("Eclipse Distribution License - v 1.0", Pattern.DOTALL)),
        new LicenseMatcher("LGPL-2.1", true, true, Pattern.compile("GNU LESSER GENERAL PUBLIC LICENSE.*Version 2.1", Pattern.DOTALL)),

        LabelTypePattern pattern = new LabelTypePattern("test", "/test.*", "/exclude.*");

        // Should match included path
        assertTrue(pattern.match("/test/path"));

        // Should not match excluded path
        assertFalse(pattern.match("/exclude/path"));

        // Should not match non-included path
        assertFalse(pattern.match("/other/path"));
    }

    @Test

    // Patterns for sensitive data - compiled once and cached
    private static final Pattern PASSWORD_PATTERN = Pattern.compile(
            "(?i)(password|passwd|pwd|secret|token|key|credential|auth)([\"']?\\s*[:=]\\s*[\"']?)([^\"',\\s]+)", Pattern.CASE_INSENSITIVE);

    private static final Pattern IP_PATTERN = Pattern.compile("\\b(?:[0-9]{1,3}\\.){3}[0-9]{1,3}\\b");

    // Path traversal patterns
    private static final Pattern TRAVERSAL_PATTERN = Pattern.compile("\\.\\.[\\\\/]|[\\\\/]\\.\\.");
    private static final Pattern DOUBLE_DOT_PATTERN = Pattern.compile("\\.\\.");
    private static final Pattern ENCODED_TRAVERSAL = Pattern.compile("%2e%2e|%252e%252e", Pattern.CASE_INSENSITIVE);

        // Add array first
        String[] initialArray = new String[] { "a", "b", "c" };
        transformer.putResultDataBody(dataMap, "letters", initialArray);

        // Add single value
        transformer.putResultDataBody(dataMap, "letters", "d");

        Object result = dataMap.get("letters");
        assertTrue(result instanceof Object[]);
        Object[] resultArray = (Object[]) result;

    /** Pattern for detecting reserved characters in Lucene range field queries. */
    public static final Pattern LUCENE_RANGE_FIELD_RESERVED_PATTERN = Pattern.compile("([!\\(\\){}\\[\\]\"~\\\\:\\p{Zs}]|(&&)|(\\|\\|))");

    // ============================================================
    // Query and Search Constants

        }
    }

    /**
     * Converts a pattern string to a plain pattern string without delimiters.
     *
     * @param pattern
     *            The pattern string.
     * @return The plain pattern string without delimiters.
     */
    protected static String toPlainPattern(final String pattern) {
        final StringBuilder buf = new StringBuilder(pattern.length());
        for (int i = 0; i < pattern.length(); ++i) {