Is there search direction? Like in FireFox - arrows http://imgur.com/rTY1vcT
Not in the normal find-and-replace dialog. It may be in other packages.
IMHO the find-and-replace developer(s) were over-paranoid about adding features. In the beginning the dialog didn’t even have a “word” button. I don’t know why they were trying to make it so dumb when it is an editor for programmers, who are not known to need dumbed-down interfaces.
And it be better add closing button on searchbar to close it (like in FF again).
There’s no UI but you can still use the corresponding commands
Find And Replace: Find previous,
Find And Replace: Show Previous, etc.