EmailID validation using Regular expressions in java

Below is the well tested code which can be used to validate EmailID in java using Regular Expressions

Import File:

<%@ page import="java.util.regex.*"%>

//Regular Expression

Pattern p=Pattern.compile("^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$");
       
        //Validating  MAIL ID

        Matcher m=p.matcher(mailid);

       
        boolean b=m.matches();

        if(b==true)
        {

        System.out.println("Valid  Email ID"+mailid);
        }
        else
        {

        System.out.println("InValid  Email ID"+mailid);
        }