Here are a variety of links to test with.

I am the text of a broken link

I am a redirected link

I am a link to non-drupal page

The rain in spain falls down like everywhere else.

??Sometimes we have a link with no href AND no ID.

- I have a character anchor no href, but has an id

Sometimes our tiny links are just too small for our own good.$

4   !Why on Earth would we have a link with so many non breaking spaces?

empty href