How do I change a set of a href url based on a prefix + extracted middle bit from existing link + suffix?


I am using a flickr plugin in wordpress which shows icons of my flickr photos in the footer.
There is one problem though. It open the links like this:

whereas I need it to open

The prefix
and the suffix /in/dateposted/
will be the same for all images in the gallery

From the name of the file, for example: 19078206629_4cfbe2d72c_b.jpg I need to extract the first part (19078206629) and insert in the middle of the prefix.

The gallery is in a ul > li > a structure so I need to run an "each" jquery on the set and make sure that on click the link that is opened is prefix + the initial part of jpg name till before the _ + suffix

Please help as I have tried a few things but I can't get it to work right. I would like to achieve this via jQuery please.

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Julian HansenCommented:
Something like this
<!doctype html>
  <li><img src="" /></li>
  <li><img src="" /></li>
  <li><img src="" /></li>
  <li><img src="" /></li>
<script src=""></script>
<script type="text/javascript">
var prefix='';
var suffix = '/in/dateposted/';

$(function() {
  $('ul img').each(function() {
    var src=$(this).attr('src');
    var m = src.match(/\/(\d+)_/);
    src = prefix + m[1] + suffix;
    $(this).attr('src', src);

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