<div class="form-group radio_input">
<label class="container_radio">Bireysel Fatura
<input type="radio" name="register_type[]" value="bireysel" class="form-control required">
<span class="checkmark"></span>
</label>
<label class="container_radio">Kurumsal Fatura
<input type="radio" name="register_type[]" value="kurumsal" class="form-control required">
<span class="checkmark"></span>

case 'register_type':
// Get the value for a input text
var value = $("input:radio[class~=form-control]:checked").val();
$("#register_type").text(value);
                break;