}
    }

    /**
     * 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) {

        }
    }

    /**
     * Converts the 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) {

        } finally {
            if (outputFile.exists()) {
                outputFile.delete();
            }
        }
    }

    // Test concurrent access patterns
    public void test_concurrent_operations() throws Exception {
        final CommandGenerator generator1 = new CommandGenerator();
        final CommandGenerator generator2 = new CommandGenerator();

     *
     * @param convertUrlMap the map of regex patterns to replacement strings
     */
    public void setConvertUrlMap(final Map<String, String> convertUrlMap) {
        this.convertUrlMap.putAll(convertUrlMap);
    }

    /**
     * Adds a URL conversion rule.
     *
     * @param regex the regular expression pattern to match
     * @param replacement the replacement string
     */

                final Pattern pattern = Pattern.compile(value);
                paramMap.put(URL_EXCLUDE_PATTERN, pattern);
                if (logger.isDebugEnabled()) {
                    logger.debug("Using exclude pattern: {}", pattern);
                }
            }
            if (paramMap.get(URL_EXCLUDE_PATTERN) instanceof final Pattern pattern) {
                if (pattern.matcher(url).matches()) {

- CEL regex patterns in x-kubernetes-valiation rules are compiled when CRDs are created/updated if the pattern is provided as a string constant in the expression. Any regex compile errors are reported as a CRD create/update validation error. ([#108617](https://github.com/kubernetes/kubernetes/pull/108617), [@j...

        emptyGenerator = new EmptyGenerator();

        // Test adding conditions - this should work without container
        emptyGenerator.addCondition("field1", "pattern1");
        emptyGenerator.addCondition("field1", "pattern2");
        emptyGenerator.addCondition("field2", "pattern.*");

        // We can't test isTarget properly without container,
        // but we can verify conditions are added
        assertNotNull(emptyGenerator);

/**
 * <b>Do not use this class directly. For access to public-suffix information, use {@link
 * com.google.common.net.InternetDomainName}.</b>
 *
 * <p>A generated static class containing public members which provide domain name patterns used in
 * determining whether a given domain name is an effective top-level domain (public suffix).
 *
 * <p>Because this class is used in GWT, the data members are stored in a space-efficient manner.
 * See {@link TrieParser}.

  private final Pattern pattern;

  /**
   * Constructs a pattern file name filter object.
   *
   * @param patternStr the pattern string on which to filter file names
   * @throws PatternSyntaxException if pattern compilation fails (runtime)
   */
  public PatternFilenameFilter(String patternStr) {
    this(Pattern.compile(patternStr));
  }

  /**

- Added e2e tests for volume group snapshots. ([#128972](https://github.com/kubernetes/kubernetes/pull/128972), [@manishym](https://github.com/manishym)) [SIG Cloud Provider, Storage and Testing]
- Added unit test helpers to validate CEL and patterns in CustomResourceDefinitions. ([#129028](https://github.com/kubernetes/kubernetes/pull/129028), [@sttts](https://github.com/sttts))