U+1F181 "🆁" Negative Squared Latin Capital Letter R Unicode Character

Unicode Version 17.0

🆁

U+1F181 "🆁" Negative Squared Latin Capital Letter R is a typographic symbol encoded in the Enclosed Alphanumeric Supplement block, designed for use in contexts requiring a bold, compact marking. Its primary visual representation is a white Latin capital letter "R" set inside a dark square, which typically indicates a command or action such as "Record," "Repeat," or "Rewind" in media playback interfaces and electronic signage. This character provides a standardized, platform independent alternative to using separate images or styled text, ensuring consistent display across different fonts and devices. Its inclusion in Unicode supports clear communication in technical documentation, user manuals, and digital labels where a concise, visually distinct identifier is needed.

General Properties

Code Point U+1F181
Version Added 6.0
Name Negative Squared Latin Capital Letter R
Block Enclosed Alphanumeric Supplement
General Category Other Symbol
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right

Encodings

HTML Decimal Encoding 🆁
HTML Hex Encoding 🆁
UTF-8 Encoding 0xF0 0x9F 0x86 0x81
UTF-16 Encoding 0xD83C 0xDD81
UTF-32 Encoding 0x0001F181
C/C++/Java Escape \ud83c\udd81

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Ambiguous (Alphabetic or Ideographic)
East Asian Width Ambiguous
Uppercase Yes
Other Uppercase Yes
Cased Yes
Script Common
Script Extensions Common
Indic Syllabic Category Other
Alphabetic Yes
Other Alphabetic Yes
Vertical Orientation Upright
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Upper