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U+00A1

INVERTED EXCLAMATION MARK

General category
Other Punctuation Po
Unicode block
Latin-1 Supplement
Combining class
0
Bidirectional class
ON
Mirrored
No

U+00A1 INVERTED EXCLAMATION MARK is a Unicode 16.0.0 character in the Other Punctuation category. It belongs to the Latin-1 Supplement block.

Encodings & representations

Choose the representation you need, then copy its value.

Code point

U+00A1

Decimal value

161

HTML decimal reference

¡

HTML hexadecimal reference

¡

HTML named reference

¡

UTF-8 bytes (hex)

C2 A1

UTF-16 code units (hex)

00A1

UTF-32 code unit (hex)

000000A1

URL percent-encoded UTF-8

%C2%A1

C# Unicode escape

\u00A1

JavaScript Unicode escape

\u00A1

JSON Unicode escape

\u00A1

CSS Unicode escape (trailing space)

\00A1

ISO-8859-1 position (Latin-1)

161 (0xA1)

Windows-1252 position

161 (0xA1)
About these encodings
  • ASCII positions run from 0 to 127. Position cards show the decimal byte value followed by hexadecimal.
  • “Extended ASCII” is not a single encoding. ISO-8859-1 (Latin-1) and Windows-1252 are shown separately; they differ at bytes 128–159. Windows-1252 leaves five of those bytes undefined.
  • Legacy position cards appear only when the character has an exact mapping. For example, the euro sign is Windows-1252 byte 128 (0x80), but has no ASCII or Latin-1 position. A legacy byte is not necessarily the Unicode code point or its UTF-8 encoding.
  • Percent encoding lists every UTF-8 byte; URL-safe characters do not normally need encoding.
  • JSON escapes omit the surrounding quotes.
  • UTF code units are not byte-order-specific.
  • HTML parsers remap numeric references for U+0000 and some control characters, so these may not round-trip.