throw new SmbException("Path contains null bytes");
        }

        // Check for control characters
        if (strictMode && CONTROL_CHARS.matcher(path).find()) {
            log.warn("Path contains control characters: {}", sanitizeForLog(path));
            throw new SmbException("Path contains control characters");
        }

        // Check for traversal sequences
        if (containsTraversal(path)) {

    }

    /**
     * Test name with special characters
     */
    public void test_name_specialCharacters() {
        // Test with spaces
        testTransformer.setName("name with spaces");
        assertEquals("name with spaces", testTransformer.getName());

        // Test with special characters
        testTransformer.setName("name-with_special.chars#123");

{* ../../docs_src/query_params_str_validations/tutorial004_an_py310.py hl[11] *}

This specific regular expression pattern checks that the received parameter value:

* `^`: starts with the following characters, doesn't have characters before.

        // Test with special characters in message
        String message = "LDAP error: \"Invalid <config>\" & 'bad chars' @ #$%^&*()";
        LdapConfigurationException exception = new LdapConfigurationException(message);

        assertEquals(message, exception.getMessage());
    }

    public void test_unicodeCharactersInMessage() {
        // Test with Unicode characters in message

        assertTrue(toStringResult.contains(message));
    }

    public void test_constructorWithScheduledJob_specialCharacters() {
        // Test with scheduled job that has special characters in toString
        ScheduledJob scheduledJob = new ScheduledJob() {
            @Override
            public String toString() {
                return "Job[name=\"Test & Job\", id='<123>']";
            }

    /**
     * Sanitizes a string for safe logging (removes control characters)
     *
     * @param input the string to sanitize
     * @return sanitized string safe for logging
     */
    public static String sanitizeForLogging(String input) {
        if (input == null) {
            return "null";
        }
        // Remove control characters and limit length

        // Execute the job
        String result = purgeDocJob.execute();

        // Assert deleteByQuery was called with special characters
        assertTrue(deleteByQueryCalled);
        assertEquals("fess.update-index$special%chars", deleteIndex);

        // Assert field name with special characters was used
        assertNotNull(deleteQuery);
        assertTrue(deleteQuery instanceof RangeQueryBuilder);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withSpecialCharacters() {
        // Test with special characters in message
        String message = "Search not supported: \n\t!@#$%^&*(){}[]|\\:;\"'<>,.?/~`";
        UnsupportedSearchException exception = new UnsupportedSearchException(message);

    }

    public void test_toLowercaseWildcard_internationalCharacters() {
        queryCommand.setLowercaseWildcard(true);

        // Test with various international characters
        assertEquals("äöü", queryCommand.toLowercaseWildcard("ÄÖÜ"));
        assertEquals("日本語", queryCommand.toLowercaseWildcard("日本語")); // Japanese doesn't change

        // Test null input
        assertEquals("null", InputValidator.sanitizeForLogging(null));

        // Test normal string without control characters
        assertEquals("test", InputValidator.sanitizeForLogging("test"));

        // Test removal of control characters (they are removed, not replaced with spaces)
        assertEquals("teststring", InputValidator.sanitizeForLogging("test\0string"));