Re

Re may refer to any of the following:

1. Re is a word from the Latin noun "res" for thing, and means "in reference to," "regarding," or "concerning."

2. In e-mail, RE: in the subject line is short for reply. When composing a new e-mail, you should not place Re: in front of the subject. Allow the e-mail program to create the Re: for you when replying to an e-mail message.

3. RE is an acronym for regular expression.

4. .re is the top level domain for the country code Reunion.

5. Re is chat slang for regarding.

6. The Internet domain suffix .re is short for Reunion.