Meaning Regarding
Type Acronym
Rank ★ ★ ★  Common
Usage General (not just online)
Comments Commonly used in e-mail subject lines, i.e. "RE: The original message subject."
Updated January 3, 2013
Meaning Resident Evil
Type Acronym
Rank ★ ☆ ☆  Uncommon
Usage Online Only (chat, messaging, e-mail)
Comments An acronym that refers to a series of video games for the PC and various consoles; different releases of the game can be abbreviated RE, RE2, RE3, RE4, and RE5.
Updated March 3, 2014