unicode

U+0004

<control>

<control> · Control · Basic Latin · Common script

controlinvisibleascii

Quick facts

Code point: U+0004
Decimal: 4
Name: <control>
General category: Cc — Control
Block: Basic Latin
Script: Common
Bidi class: BN
Combining class: 0
Age: 1.1
Name aliases: END OF TRANSMISSION (control), EOT (abbreviation)

Normalization & case

Decomposition: —
Uppercase: —
Lowercase: —
Titlecase: —
Case folding: —
Bidi mirrored: No

Layout & width

East Asian Width: N
Line Break: CM
Numeric: —
Script extensions: —

Developer examples

JS: '\u{4}' // U+0004
Python: "\N{<control>}"
HTML

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Warnings

This character may be invisible or format-only in many fonts and editors.

Related

Previous

U+0003

Next

U+0005

ASCII

0x04

Same code in 0x00–0x7F

Block

Basic Latin

Category

Control

Script

Common

Source

Unicode: 16.0.0
WHATWG: —