weiydn的博客

原创 Java判断或匹配字符串是否是ipv4，ipv6地址

方法一：正则表达式public class IPAddressRegularExpression { public final static String IPV4 = "^((25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]\\d|\\d)\\.){3}(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]\\d|\\d)$"; public final static String IPV6 = //8组，无缩减 或 7组::