Android IP地址、子网掩码、默认网关、首选DNS服务器、备用DNS服务器校验
public String isIP(String ip) {
String regex = "(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)){3}"
Android IP地址、子网掩码、默认网关、首选DNS服务器、备用DNS服务器校验
public String isIP(String ip) {
String regex = "(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)){3}"