Validate email address : Pattern Match « Regular Expressions « Java Tutorial

public class Main {

  public static void main(String[] args) {
    System.out.println("isValid = " + isValidEmailAddress(""));

  static boolean isValidEmailAddress(String email) {
    String EMAIL_REGEX = "^[\\w-_\\.+]*[\\w-_\\.]\\@([\\w]+\\.)+[\\w]+[\\w]$";

    return email.matches(EMAIL_REGEX);

8.6.Pattern Match
8.6.1.Pattern.matches method
8.6.2.Find the end point of the second 'B(ond)'
8.6.3.Match Duplicate Words
8.6.4.Validate email address
8.6.5.Matching Line Boundaries in a Regular Expression
8.6.6.Regex for IP v4 Address
8.6.7.Regex for IP v6 Address