<form id="formID">
  <input class="flt-right marg-top-50" type="submit" value="Next" name="next"/>
    </form>

<form>
<?php preg_match_all('/(d[d.]*)/', $tesco_search_array_price[$key], $matches);?>
 <input type="checkbox" class="chkbox" name="ingredients" value="<?php echo $name[$key]; ?>" data-price="   <?php       echo $matches[0][0];?>">
</form>

$('#formID').submit(function(){

var ajaxURL = 'ajax.php';

$.ajax({
    type: 'POST',
    url: ajaxURL,
    data: {'name': text,'price':price },
                success: function(msg) {
    }
});
return false;
});