Find URL Encoded string in file and replace with proper utf name

[Theodoros Kosmidis]

I have a bunch of file with format (see picture).
https://postimg.org/image/ftlxq5xef/
Agter the title which is UTF-8 title,I have a slug. But as the WP2GRAV plygin worked,its exports the slug in url encoded format.
Is it possible to use notapad++ to search and replace all these string with proper slugs and characters?
And if so,how?