private boolean isIP(String ip) { if (ip == null || "".equals(ip)) { return false; } String regex = "((25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)\\.){3}" + "(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)$"; return ip.matches(regex); }
参考链接:
private boolean isIP(String ip) { if (ip == null || "".equals(ip)) { return false; } String regex = "((25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)\\.){3}" + "(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)$"; return ip.matches(regex); }
参考链接: