$(document).ready(function(){
    $('#targets').submit(function() {
        var error = 0;
        var email = $('#email').val();

        var reEmail = /^[A-Za-z0-9][a-zA-Z0-9._-][A-Za-z0-9]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;


        if (email == '') {
            error = 1;
            alert('Email cannot be empty');
        }else if(email.length > 60){
            error = 1;
            alert('Email cannot exceed 60 characters');
        }else if(!reEmail.test(email)){
            error = 1;
            alert('Invalid Email');
        }

        if(error){
            return false;
        }else{
            return true;
        }

    });
});

    Email