Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final String IPADDRESS_PATTERN = "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
            + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
            + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";

    private static boolean validateIP(final String ip) {

        Pattern pattern = Pattern.compile(IPADDRESS_PATTERN);

        Matcher matcher = pattern.matcher(ip);
        return matcher.matches();
    }
}