Unicode Character "Ё" U+0401 Cyrillic Capital Letter Io

Summary

The unicode character "Ё" at code point U+0401 is Cyrillic Capital Letter Io. It is a character in the Cyrillic block and is part of the Cyrillic script. The character is an uppercase letter. The UTF-8 encoding of "Ё" is 0xD0 0x81 and the UTF-16 encoding is 0x0401.

General Properties

Code Point	U+0401
Version Added	1.1
Name	Cyrillic Capital Letter Io
Block	Cyrillic
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"Е" U+0415 Cyrillic Capital Letter Ie "̈" U+0308 Combining Diaeresis

Encodings

HTML Entity	Ё
HTML Decimal Encoding	Ё
HTML Hex Encoding	Ё
UTF-8 Encoding	0xD0 0x81
UTF-16 Encoding	0x0401
UTF-32 Encoding	0x00000401
C/C++/Java Escape	\u0401

Unicode Properties

NFC Quick Check	Yes
NFKC Quick Check	Yes
Expands On NFD	Yes
Expands On NKFD	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
East Asian Width	Ambiguous
Uppercase	Yes
Simple Lowercase Code Point	"ё" U+0451 Cyrillic Small Letter Io
Lowercase Code Point	"ё" U+0451 Cyrillic Small Letter Io
Simple Case Folding	"ё" U+0451 Cyrillic Small Letter Io
Case Folding	"ё" U+0451 Cyrillic Small Letter Io
Cased	Yes
Changes When Casefolded	Yes
Changes When Casemapped	Yes
Changes When Lowercased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ё" U+0451 Cyrillic Small Letter Io
NFKC Simple Casefold	"ё" U+0451 Cyrillic Small Letter Io
Script	Cyrillic
Script Extensions	Cyrillic
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Upper