for (int i = 0; i < password.length(); i++) {
            if (Character.isDigit(password.charAt(i))) {
                return true;
            }
        }
        return false;
    }

    /**
     * Checks if the password contains at least one special character.
     * A special character is defined as any character that is not a letter, digit, or whitespace.
     *

    @ValidateTypeFailure
    public Integer crudMode;

    /** The name of the file configuration (required, maximum 200 characters). */
    @Required
    @Size(max = 200)
    public String name;

    /** The description of the file configuration (maximum 1000 characters). */
    @Size(max = 1000)
    public String description;

    /** The file paths to crawl (required, must be valid file URIs). */

     */
    public void setEncodeUrlLink(final boolean encodeUrlLink) {
        this.encodeUrlLink = encodeUrlLink;
    }

    /**
     * Sets the character encoding for URL links.
     *
     * @param urlLinkEncoding the character encoding to use
     */
    public void setUrlLinkEncoding(final String urlLinkEncoding) {
        this.urlLinkEncoding = urlLinkEncoding;
    }

    /**

#
&
^
$
@
!
~
:
;
+
/
\
《
》
—
－
，
。
、
：
；
！
·
？
“
”
）
（
【
】
［
］
●
# the line below contains an IDEOGRAPHIC SPACE character (Used as a space in Chinese)
　

# English Stop Words

    // 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. */

        // Test with commands containing special characters
        final List<String> specialCommands = Arrays.asList("echo \"test with quotes\"", "echo 'test with single quotes'",
                "echo test with spaces", "echo test&with&ampersand", "echo test|with|pipe");

        generator.setCommandList(specialCommands);
        assertTrue("Special character commands should be settable", true);

     */
    public void setExecutionTimeout(final long executionTimeout) {
        this.executionTimeout = executionTimeout;
    }

    /**
     * Sets the character encoding for command output.
     * @param commandOutputEncoding The character encoding.
     */
    public void setCommandOutputEncoding(final String commandOutputEncoding) {
        this.commandOutputEncoding = commandOutputEncoding;
    }

    /**

        // Test with Unicode characters in message
        String message = "LDAP設定エラー: 接続失敗 🚫 ñ é ü ß";
        LdapConfigurationException exception = new LdapConfigurationException(message);

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

    @Test
    public void test_newlineCharactersInMessage() {
        // Test with newline characters in message

        assertTrue(toStringResult.contains(message));
    }

    @Test
    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>']";
            }

    }

    @Test
    public void test_escapeLDAPSearchFilter_withAllSpecialCharacters() {
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        // Test all special characters together (note: = is not escaped per RFC 4515)
        String input = "\\*()\0";
        String expected = "\\5c\\2a\\28\\29\\00";
        assertEquals(expected, ldapManager.escapeLDAPSearchFilter(input));
    }