Is there a way to search for a post by a specific user on Nostr yet?
Discussion
Yep get the Node ID. I recently took the note ID for all my bookmarks and found each post very easily.
See here an an example
nostr:note16jwj7k5a5q63rn4t40jp6sutea7k84wqpvmp9x33jcp8grl2tq3syz7a29
Advanced Search on https://nostr.band/