highlight-words-jquery-ui-autocomplete and catcomplete

<script type="text/javascript">

    $("#textbox").autocomplete({

        source: function (request, response) {

            $.ajax({

                url: "search.php",

                dataType: "json",

                data: request,

                success: function (data) {

                    var regex = new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + request.term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi");

                    var result = $.map(data, function (value) {

                        return value.replace(regex, "<b>$1</b>");

                    });

                    response(result);

                }

            });

        }

    });

</script>