Source: Noto Sans Symbols2

U+0000 Null *

U+0000 was added to Unicode in version 1.1 (1993). It belongs to the block U+0000 to U+007F Basic Latin in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Control and is commonly used, that is, in no specific script. The character is also known as NULL.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Boundary Neutral and is not mirrored. In text U+0000 behaves as Combining Mark regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Control.

Representations

System	Representation
Nº	0
UTF-8	00
UTF-16	00 00
UTF-32	00 00 00 00
URL-Quoted	%00
HTML hex reference
Wrong windows-1252 Mojibake	â€
Caret Notation	^@
C Escape	\0
control	NULL
abbreviation	NUL
alias	NULL
digraph	NU

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	—
Unicode 1 Name	NULL
Block	Basic Latin
General Category	Control
Script	Common
Bidirectional Category	Boundary Neutral
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Null*
Lowercase	✘
Simple Lowercase Mapping	Null*
Lowercase Mapping	Null*
Uppercase	✘
Simple Uppercase Mapping	Null*
Uppercase Mapping	Null*
Simple Titlecase Mapping	Null*
Titlecase Mapping	Null*
Case Folding	Null*
ASCII Hex Digit	✘
Alphabetic	✘
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Null*
Grapheme Cluster Break	Control
Grapheme Base	✘
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✘
ID Start	✘
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Null*
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✘
XID Start	✘
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Null*
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Combining Mark
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Null*
Script Extension
Vertical Orientation	R