Java IP Address Validate isIpAddress(String str)

Description

is Ip Address

License

Open Source License

Declaration

public static boolean isIpAddress(String str) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final String IPADDRESS_PATTERN = "((?:(?: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))))";

    public static boolean isIpAddress(String str) {
        return isMatcher(str, IPADDRESS_PATTERN);
    }// w  w w .j  av  a2 s .c  o m

    public static boolean isMatcher(String str, String pattern) {
        if (str == null) {
            return false;
        }
        if (pattern == null) {
            throw new IllegalArgumentException();
        }
        Pattern pt = Pattern.compile(pattern);
        Matcher mc = pt.matcher(str);
        return mc.matches();
    }
}

Related

1. isIPAddress(String ipAddress)
2. isIpAddress(String ipAddress)
3. isIpAddress(String ipAddress)
4. isIPAddress(String ipAddress)
5. isIPAddress(String line)
6. isIPAndPort(String text)
7. isIpFormat(String ip)
8. isIPSect(String ip)
9. isIPString(String str)