Java IP Address Validate isIp(String str)

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Description

is Ip

License

Open Source License

Declaration 

public static boolean isIp(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 REGEX_IP = "\\b((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\b";

    public static boolean isIp(String str) {
        return regex(str, REGEX_IP);
    }/*from w  w  w .  ja  v a2  s .  c  o m*/

    public static final boolean regex(String testStr, String regStr) {
        Pattern p = Pattern.compile(regStr);
        Matcher m = p.matcher(testStr);
        return m.matches();
    }
}

Related

  1. isIP(String ipString)
  2. isIp(String s)
  3. isIP(String src)
  4. isIP(String str)
  5. isIp(String str)
  6. isIP4(String val)
  7. isIPAddress(final String s)
  8. isIpAddress(String addr)
  9. isIpAddress(String ip)