NetUtils { public static boolean matchIpExpression(String pattern, String host, int port) throws UnknownHostException { if (pattern.contains("/")) { CIDRUtils utils = new CIDRUtils(pattern); return utils.isInRange(host); } return matchIpRange(pattern, host, port); }  static int getRandomPort(); static int getAvailablePort(); static int getAvailablePort(int port); static boolean isInvalidPort(int port); static boolean isValidAddress(String address); static boolean isLocalHost(String host); static boolean isAnyHost(String host); static boolean isInvalidLocalHost(String host); static boolean isValidLocalHost(String host); static InetSocketAddress getLocalSocketAddress(String host, int port); static String getLocalHost(); static String filterLocalHost(String host); static String getIpByConfig(); static InetAddress getLocalAddress(); static boolean isPreferredNetworkInterface(NetworkInterface networkInterface); static NetworkInterface findNetworkInterface(); static String getHostName(String address); static String getIpByHost(String hostName); static String toAddressString(InetSocketAddress address); static InetSocketAddress toAddress(String address); static String toURL(String protocol, String host, int port, String path); static void joinMulticastGroup(MulticastSocket multicastSocket, InetAddress multicastAddress); static void setInterface(MulticastSocket multicastSocket, boolean preferIpv6); static boolean matchIpExpression(String pattern, String host, int port); static boolean matchIpRange(String pattern, String host, int port); static boolean isMulticastAddress(String host);  }
@Test public void testMatchIpMatch() throws UnknownHostException { assertTrue(NetUtils.matchIpExpression("192.168.1.*", "192.168.1.63", 90)); assertTrue(NetUtils.matchIpExpression("192.168.1.192/26", "192.168.1.199", 90)); }