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U+0021 CHARACTER

EXCLAMATION MARK

Quick Facts

Unicode Name EXCLAMATION MARK
Code Point U+0021
Decimal Value 33
General Category Other Punctuation (Po) →
Unicode Block Basic Latin →
Script Common →
Unicode Version Unicode 1.1 →
Unicode Plane Basic Multilingual Plane (BMP)

Byte Encodings

UTF-8 1 byte 21
UTF-16 Code Unit 0021
UTF-32 4 bytes 00000021
UTF-16BE / LE Byte Order
BE: 00 21 LE: 21 00
UTF-32BE / LE Byte Order
BE: 00 00 00 21 LE: 21 00 00 00

Developer Code Escapes

HTML Decimal !
HTML Hexadecimal !
HTML Named Entity None
CSS Escape \000021
JavaScript (ES6) \u0021
JavaScript (UTF-16) \u0021
JSON Escape \u0021
Python \u0021
PHP "\u{21}"
Java "\u0021"
C / C++ "\u0021"
Rust '\u{21}'
URL Percent-Encoded %21

Normalization & Decomposition

Combining Class 0Not Reordered (Spacing)
Decomposition None (Canonical / Precomposed Base)
NFC / NFD Forms Stable under all Unicode normalization forms (NFC, NFD, NFKC, NFKD).

Bidirectional Properties

Bidi Class ONOther Neutral
Bidi Mirrored No

Font Specimen & Rendering

Visual rendering of U+0021 across standard system font stacks. Rendering fidelity depends on installed OS font glyph coverage.

Sans-Serif System UI, Inter, Arial
!
Context: A ! Z 123
Serif Georgia, Times, Cambria
!
Context: A ! Z 123
Monospace Consolas, SF Mono, Courier
!
Context: A ! Z 123
System Default Operating System Glyph Fallback
!
Context: A ! Z 123

Names & Aliases

Official Name EXCLAMATION MARK

The normative, immutable character identifier in the Unicode Character Database.

Identifier U+0021

Related Characters & Collections