String completeHex = "0[xX]" + hex + "[pP][+-]?\\d+#[fFdD]?";
    String fpPattern = "[+-]?(?:NaN|Infinity|" + completeDec + "|" + completeHex + ")";
    fpPattern =
        fpPattern.replace(
            "#",
            "+"
            );
    return
    java.util.regex.Pattern
        .compile(fpPattern);
  }

  /**

    /** Format identifier for PDF date parsing */
    private static final String PDF_DATE = "pdf_date";

    /** Regular expression pattern for matching email addresses */
    private static final Pattern EMAIL_ADDRESS_PATTERN =
            Pattern.compile("[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}", Pattern.CASE_INSENSITIVE);

    /**
     * Cache for storing resource file modification timestamps to enable cache busting.

         */
        KILL_ALL_GRADLE_PROCESSES
    }

    private static final Pattern UNIX_PID_PATTERN = Pattern.compile("([0-9]+)");
    private static final Pattern WINDOWS_PID_PATTERN = Pattern.compile("([0-9]+)\\s*$");
    private static final String MY_PID = String.valueOf(ProcessHandle.current().pid());

    }

    /**
     * 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) {

        le: float | None = None,
        min_length: int | None = None,
        max_length: int | None = None,
        pattern: str | None = None,
        regex: Annotated[
            str | None,
            deprecated(
                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
            ),
        ] = None,
        discriminator: str | None = None,
        strict: bool | None = _Unset,

        // Pattern with single backslash (14 chars): should match
        String singleBackslash = "image/svg" + "\\" + "+xml";
        assertEquals("Single backslash pattern should be 14 chars", 14, singleBackslash.length());
        assertTrue(svgMimetype.matches(singleBackslash));

        // Pattern with double backslash (15 chars): should NOT match
        String doubleBackslash = "image/svg" + "\\\\" + "+xml";

        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)),

        }
        if (StringUtil.isNotBlank(pager.requestedTimeRange)) {
            final String[] values = pager.requestedTimeRange.split(" - ");
            final DateTimeFormatter formatter = DateTimeFormatter.ofPattern(YYYY_MM_DD_HH_MM);
            try {
                if (values.length > 0) {
                    cb.query().setRequestedAt_GreaterEqual(parseDateTime(values[0], formatter));
                }

    init {
      require(
        (pattern.startsWith("*.") && pattern.indexOf("*", 1) == -1) ||
          (pattern.startsWith("**.") && pattern.indexOf("*", 2) == -1) ||
          pattern.indexOf("*") == -1,
      ) {
        "Unexpected pattern: $pattern"
      }

      this.pattern =
        pattern.toCanonicalHost() ?: throw IllegalArgumentException("Invalid pattern: $pattern")

      when {

        substringLicenseMatcher.setLicenseFamilyName(licenseFamilyName);

        SubstringLicenseMatcher.Pattern pattern = new SubstringLicenseMatcher.Pattern();
        pattern.setSubstring(substringPattern);
        substringLicenseMatcher.addConfiguredPattern(pattern);
        return substringLicenseMatcher;
    }

    private ClaimStatistic generateReport(ReportConfiguration config, File xmlReportFile) {