Exclude files from sync based on filename and/or filename extension in online file storage service

Question

Is there an online file storage service (like DropBox, Google Drive, Skydrive) where it is possible to exclude files from sync based on filename and/or filename extension?

Answer 1

SpiderOak. https://spideroak.com/manual/sync By the way, the data on SpiderOak is automatically and transparently encrypted.