Character	`Ё`
Code point	`U+0401` = `1025`₁₀ = `2001`₈
= `00000000 00000000 00000100 00000001`₂
Character name	`CYRILLIC CAPITAL LETTER IO`
Japanese name	キリール大文字IO
Nearby	`U+04??` / Previous: U+0400 (Ѐ) / Next: U+0402 (Ђ)

Character	Ё
Code point	U+0401
`Age`	`1.1`
`Script`	`Cyrl` `Cyrillic`
`Bidi_Class`	`L`
`Canonical_Combining_Class`	`0`
bidi (Unicode::UCD)	L
CJK numeral value	-

Unicode encodings
UTF-8	`0xD0 0x81`
UTF-16BE	`0x04 0x01`
UTF-16LE	`0x01 0x04`
UTF-32BE	`0x00 0x00 0x04 0x01`
UTF-32LE	`0x01 0x04 0x00 0x00`
Web encodings
utf-8	0xD0 0x81
big5	0xC7 0xF9
euc-jp	0xA7 0xA7
euc-kr	0xAC 0xA7
gb18030	0xA7 0xA7
gbk	0xA7 0xA7
ibm866	0xF0
iso-2022-jp	0x1B 0x24 0x42 0x27 0x27 0x1B 0x28 0x42
0x1B 0x24 0x40 0x27 0x27 0x1B 0x28 0x42
iso-8859-5	0xA1
koi8-r	0xB3
koi8-u	0xB3
shift_jis	0x84 0x46
utf-16be	0x04 0x01
utf-16le	0x01 0x04
windows-1251	0xA8
x-mac-cyrillic	0xDD
Not encodable in: iso-8859-10 iso-8859-13 iso-8859-14 iso-8859-15 iso-8859-16 iso-8859-2 iso-8859-3 iso-8859-4 iso-8859-6 iso-8859-7 iso-8859-8 iso-8859-8-i macintosh windows-1250 windows-1252 windows-1253 windows-1254 windows-1255 windows-1256 windows-1257 windows-1258 windows-874 x-user-defined

String

Normalization forms
Input	Ё	U+0401 (Ё)
Canonical decomposition	Ё	U+0415 (Е) U+0308 (̈)
Compatibility decomposition	Ё	U+0415 (Е) U+0308 (̈)
Canonical composition	Ё	U+0401 (Ё)
NFC (`Unicode::Normalize`)	Ё	U+0401 (Ё)
NFKC (`Unicode::Normalize`)	Ё	U+0401 (Ё)
NFD (`Unicode::Normalize`)	Ё	U+0415 (Е) U+0308 (̈)
NFKD (`Unicode::Normalize`)	Ё	U+0415 (Е) U+0308 (̈)
NFKD (UN) uc (Perl) lc (Perl) NFC (UN)	ё	U+0451 (ё)
Stringprep
Nameprep AllowUnassigned (`Net::IDN::Nameprep` 1.102)	ё	U+0451 (ё)
Nameprep (`Net::IDN::Nameprep` 1.102)	ё	U+0451 (ё)
Punycode decoding
de-Punycode (`Net::IDN::Punycode` 2.5)	non-base character in input for decode_punycode
de-Punycode (`Net::IDN::Punycode::PP` 2.500)	invalid digit in input for decode_punycode
de-Punycode (`IDNA::Punycode` 0.03)	invalid punycode input
de-Punycode (`Mojo::Util`)	Ё	U+0401 (Ё)
de-Punycode (`URI::_punycode` 5.28)	invalid punycode input
de-Punycode (`AnyEvent::Util` 7.17)	punycode_decode: malformed punycode
de-Punycode (`URI::UTF8::Punycode` 1.05)	Ё	U+0401 (Ё)
Nameprep variant (`AnyEvent::Util` 7.17)	ё	U+0451 (ё)
Nameprep variant for display (`AnyEvent::Util` 7.17)	ё	U+0451 (ё)
ToUnicode variant (`AnyEvent::Util` 7.17)	ё	U+0451 (ё)
Punycode encoding
en-Punycode (`Net::IDN::Punycode` 2.5)	wza
en-Punycode (`Net::IDN::Punycode::PP` 2.500)	wza
en-Punycode (`IDNA::Punycode` 0.03)	-wza
en-Punycode (`Mojo::Util`)	Ё
en-Punycode (`URI::_punycode` 5.28)	wza
en-Punycode (`AnyEvent::Util` 7.17)	wza
en-Punycode (`URI::UTF8::Punycode` 1.05)	xn--wza
ToASCII variant (`AnyEvent::Util` 7.17)	xn--61a
Cases
ASCII uppercase	Ё	U+0401 (Ё)
ASCII lowercase	Ё	U+0401 (Ё)
Uppercase (Perl `uc`)	Ё	U+0401 (Ё)
Lowercase (Perl `lc`)	ё	U+0451 (ё)
Uppercase_Mapping(C)	Ё	U+0401 (Ё)
Lowercase_Mapping(C)	ё	U+0451 (ё)
Case_Folding(X)	ё	U+0451 (ё)
NFKC_Casefold(X)	ё	U+0451 (ё)
Compatibility case folding	ё	U+0435 (е) U+0308 (̈)

Fonts

Languages

`lang=en`	Ё
`lang=ja`	Ё
`lang=zh`	Ё
`lang=zh-cn`	Ё
`lang=zh-tw`	Ё
`lang=zh-hk`	Ё
`lang=zh-mo`	Ё
`lang=zh-sg`	Ё
`lang=zh-hans-cn`	Ё
`lang=zh-hant-tw`	Ё
`lang=ko`	Ё
`lang=vi`	Ё

Writing modes

`dir=ltr`	Ё
`dir=rtl`	Ё
`'writing-mode: vertical-rl'`	Ё

CSS fonts

`cursive`	Ё
`fantasy`	Ё
`monospace`	Ё
`sans-serif`	Ё
`serif`	Ё
`-manakai-default`	Ё
`-moz-use-system-font`	Ё
`-apple-system`	Ё
`-moz-button`	Ё
`-moz-desktop`	Ё
`-moz-dialog`	Ё
`-moz-document`	Ё
`-moz-field`	Ё
`-moz-info`	Ё
`-moz-list`	Ё
`-moz-pull-down-menu`	Ё
`-moz-window`	Ё
`-moz-workspace`	Ё
`caption`	Ё
`icon`	Ё
`menu`	Ё
`message-box`	Ё
`small-caption`	Ё
`status-bar`	Ё
`system-ui`	Ё
`font-style: italic`	Ё
`font-variant: small-caps`	Ё
`font-weight: 100`	Ё
`font-weight: 200`	Ё
`font-weight: 300`	Ё
`font-weight: 400`	Ё
`font-weight: 500`	Ё
`font-weight: 600`	Ё
`font-weight: 700`	Ё
`font-weight: 800`	Ё
`font-weight: 900`	Ё

Web fonts

`OpenSansEmoji`	Ё
`Mona`	Ё
`小夏`	Ё
`Noto Color Emoji`	Ё
`Noto Emoji`	Ё

2ch-compatible AA fonts

Note that your system might not have specified fonts.

`MS PGothic`	Ё
`IPAMonaPGothic`	Ё
`Monapo`	Ё
`Mona`	Ё
`Mona (Web font)`	Ё
`小夏`	Ё
`小夏 (Web font)`	Ё

Other fonts

Note that your system might not have specified fonts.

`Times New Roman`	Ё
`Arial`	Ё
`Arial Unicode MS`	Ё
`Helvetica`	Ё
`Helvetica Neue`	Ё
`Verdana`	Ё
`Lucida Grande`	Ё
`Courier New`	Ё
`ＭＳ明朝`	Ё
`MS Mincho`	Ё
`@ＭＳ明朝`	Ё
`@MS Mincho`	Ё
`ＭＳＰ明朝`	Ё
`MS PMincho`	Ё
`@ＭＳＰ明朝`	Ё
`@MS PMincho`	Ё
`ＭＳゴシック`	Ё
`MS Gothic`	Ё
`@ＭＳゴシック`	Ё
`@MS Gothic`	Ё
`ＭＳＰゴシック`	Ё
`MS PGothic`	Ё
`@ＭＳＰゴシック`	Ё
`@MS PGothic`	Ё
`MS UI Gothic`	Ё
`@MS UI Gothic`	Ё
`Microsoft Yahei`	Ё
`微软雅黑`	Ё
`メイリオ`	Ё
`Meiryo`	Ё
`@メイリオ`	Ё
`@Meiryo`	Ё
`Osaka`	Ё
`Fira Sans`	Ё
`Droid Sans`	Ё
`Comic Sans MS`	Ё
`Hiragino Sans GB`	Ё
`ヒラギノ角ゴ ProN W3`	Ё
`Hiragino Kaku Gothic ProN`	Ё
`游ゴシック`	Ё
`YuGothic`	Ё
`YuGothic Normalize`	Ё
`Yu Mincho`	Ё
`YuMincho`	Ё
`Montserrat`	Ё
`Menlo`	Ё
`.SFNSDisplay-Regular`	Ё
`Segoe UI`	Ё
`Segoe UI Symbol`	Ё
`Roboto`	Ё
`Oxygen`	Ё
`Ubuntu`	Ё
`Cantarell`	Ё
`PingFang SC`	Ё
`Symbol`	Ё
`Apple Symbols`	Ё
`Wingdings`	Ё
`Wingdings 2`	Ё
`Wingdings 3`	Ё
`Webdings`	Ё
`BlinkMacSystemFont`	Ё

Sets

The character belongs to following character sets:

Maps

The character belongs to following character mappings:

Escapes
Input	Ё	U+0401 (Ё)
HTML/XML decimal	Ё
HTML/XML hexadecimal	Ё
CSS	\000401
percent-decode de-UTF-8	Ð	U+00D0 (Ð) U+0081 ()
en-UTF-8 percent-encode	%D0%81
de-\u	Ё	U+0401 (Ё)
en-\u	\u0401
en-\u non-ASCII	\u0401
de-surrogate	Ё	U+0401 (Ё)
Perl bytes	\xD0\x81
Perl text	\x{0401}

Chars.

Charinfo — `U+0401` `CYRILLIC CAPITAL LETTER IO` (`Ё`)

Character

Characters

Encodings

Escapes

String

Fonts

Languages

Writing modes

CSS fonts

Web fonts

2ch-compatible AA fonts

Other fonts

Sets

Maps

Chars.

Charinfo — U+0401 CYRILLIC CAPITAL LETTER IO (Ё)

Character

Characters

Encodings

Escapes

String

Fonts

Languages

Writing modes

CSS fonts

Web fonts

2ch-compatible AA fonts

Other fonts

Sets

Maps

Charinfo — `U+0401` `CYRILLIC CAPITAL LETTER IO` (`Ё`)