w3resource

Java programming Exercises: Remove leading zeros from a given IP address

Java Regular Expression: Exercise-10 with Solution

Write a Java program to remove leading zeros from a given IP address.

Sample Solution:

Java Code:

import java.util.*;
public class test {
 
   public static void main(String[] args) {
	     
	    System.out.println(validate("216.08.094.196"));
		System.out.println(validate("08.008.0008.00008"));
		System.out.println(validate("01.102.103.104"));
        }

   public static String validate(String ip) {
          return ip.replaceAll("(?<=^|\\.)0+(?!\\.|$)","");
   }
}

Sample Output:

216.8.94.196
8.8.8.8
1.102.103.104

Pictorial Presentation:

Java Regular Expression: Remove leading zeros from a given IP address.

Flowchart :

Flowchart: Remove leading zeros from a given IP address.

Java Code Editor:

Contribute your code and comments through Disqus.

Previous: Check a string starts with a specific number or not.

Next: Check for a number at the end of a string.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Java: Tips of the Day

Split Java String by New Line

String lines[] = string.split("\\r?\\n");

There's only really two newlines (UNIX and Windows) that you need to worry about.

Ref: https://bit.ly/3dHk7ip