[jQuery] contains(text) - is there a contains(html) method?

[F1LT3R]

PROBLEM:
I am trying to remove the comment mark-up around an IMG element <!--
<img src="pic" /> -->. I tried using the :contains(text) selector but
as a <!-- comment -> is mark-up, I need to do something
like :contains(html).

CODE:
$('element':contains("<!--").each(
    function() {
        var $this = $this()
        var t = $this.html()
        $this.html(t.replace('<--', ''));
    }
)

NOTE:
I have checked the replace function and it removes the <!-- just fine.
My issue is how can I "contains(html)" or is there another way to do
this? Another thing I have noticed, is there does not seem to be any
way to selected a comment element with jQuery.