Kris Coppieters offers some solutions for when you need to perform global find-and-replace operations in your EPUB.
BookNet Canada is a non-profit organization that develops technology, standards, and education to serve the Canadian book industry. Founded in 2002 to address systemic challenges in the industry, BookNet Canada supports publishing companies, booksellers, wholesalers, distributors, sales agents, industry associations, literary agents, media, and libraries across the country.