zotero/translators — pull request #570 by adam3smith (2013-04-13 20:36:05+00:00)
Title: make sure $ sign is removed from citekey - I'm not sure why this is expl...

...icitly kept in the regex before?
https://forums.zotero.org/discussion/28858/-character-in-bibtex-export-file/#Comment_152188