/r/

/r/ or r/ may refer to:

• /r/, an imageboard for Adult Requests on 4chan
• r/, short for https://www.reddit.com/r/, the prefix for the name of a subreddit, a community on Reddit
• /r/, the IPA notation for a pronunciation consisting solely of a voiced dental, alveolar or postalveolar trill or, more broadly, some rhotic consonant
• "R/", the prefix for provisional designations of planetary rings — see Astronomical naming conventions § Natural satellites

Generic meanings

Interpretations like these apply to any sequence of letters and/or digits prefixed and suffixed by a slash (punctuation):

• /r/, a regular expression using ed-style delimiters that matches the string "r"
• /r/, a Unix-style path (computing) that points to the top-level directory named "r"

See also

• Slasher (disambiguation)
• All pages with titles beginning with /r
  • /r9k/, a 4chan board that implements the "ROBOT9000" algorithm that prevents exact reposts
  • /rif, short for "Rhythm in Freedom", an Indonesian alt-rock band
  • /ritzau/, the logo of Ritzaus Bureau A/S, a Danish news agency
  • /root and /run, directories in the Filesystem Hierarchy Standard used by most Unix-like systems, such as Linux distributions
• All pages with titles beginning with r/
  • R/390, an IBM RS/6000 server expansion card
  • Ultraman R/B, a Japanese television series
  • R/GA Media Group, Inc.
  • R/I, short for "Reader/Interpreter", an OS/360 feature
  • r/K selection theory, an evolutionary hypothesis
  • R/P or RPR, the reserves-to-production ratio of a non-renewable resource
  • R/P FLIP, a semi-submersible open ocean research platform
  • R/T, short for "Road/Track", a Dodge/Chrysler automobile performance marker
  • R/V, short for "research vessel", a kind of ship
  • R/W, short for "read/write"
• ℞, a character primarily abbreviating Latin recipe, referring to a medical prescription
• /r, the tone indicator for 'romantic'
• \r, the backslash escape sequence for carriage return
• / (disambiguation)
• R (disambiguation)