At this point, I have answered quite a few questions on physics.SE, and it would be very helpful to have the ability to search them. Is there a way to restrict the physics.SE native search to only my answers? If not, has adding such functionality been considered thus far?
Yep, just include
user:me in your search query. You can also use something like
user:19976 to restrict the results to any particular user's posts, where
19976 should be replaced by the ID of the user.
If you want to restrict your search to only answers (as opposed to questions and answers), you can also include
There are several other search operators that you can see by doing a search and looking at the right side of the results page for "Advanced Search Tips". (Or see here.)