jQuery selector regular expressions

Question

I am after documentation on using wildcard or regular expressions (not sure on the exact terminology) with a jQuery selector.

I have looked for this myself but have

Answer 1

James Padolsey created a wonderful filter that allows regex to be used for selection.

Say you have the following div:

Padolsey's :regex filter can select it like so:

$("div:regex(class, .*sd.*)")

Also, check the official documentation on selectors.