$(document).ready(function () {
        $('input').on('input', function () {
            var c = this.selectionStart,
                r = /[^a-z0-9@&%./() +-]/gi,
                v = $(this).val();
            if (r.test(v)) {
                $(this).val(v.replace(r, ''));
                c--;
            }
            this.setSelectionRange(c, c);
        });
    });

$(document).ready(function () {
    $('input, textarea').on('input', function () {
        var c = this.selectionStart,
            r = /[^a-z0-9@&%./() +-]/gi,
            v = $(this).val();
        if (r.test(v)) {
            $(this).val(v.replace(r, ''));
            c--;
        }
        this.setSelectionRange(c, c);
    });
});