Added email validation for correct email mailingListIC.java

Task/Mailing List/Java component/mailingListIC.java

@@ -345,6 +345,15 @@ public class MailingListIC extends ValidatorEJB {
 								errorString = getErrorString("email_id", "ALLFIELD", userId);
 								break;
 							}
+							
+						    String emailId = checkNull(genericUtility.getColumnValue("email_id", dom2));
+						    String emailRegex = "^[a-zA-Z0-9_+&*-]+(?:\\.[a-zA-Z0-9_+&*-]+)*@" +
+						                        "(?:[a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,7}$";
+						    
+						    if (!emailId.matches(emailRegex)) {
+						        errorString = getErrorString("email_id", "INVEMAIL", userId); // Error for invalid email
+						        break;
+						    }
 						}
 						if (childNodeName.equalsIgnoreCase("line_no")) {
 							if (childNode.getFirstChild() == null ) {