Home U+0000 to U+007F Basic Latin
Glyph for U+001F
Source: Noto Sans Symbols2

U+001F Information Separator One *

U+001F was added in Unicode version 1.1 in 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 INFORMATION SEPARATOR ONE and unit separator (US).

The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Segment Separator. When changing direction it is not mirrored. U+001F prohibits a line break before it.

Representations

System Representation
Nº 31
UTF-8 1F
UTF-16 00 1F
UTF-32 00 00 00 1F
URL-Quoted %1F
HTML hex reference 
Wrong windows-1252 Mojibake ␟
Caret Notation ^_
control INFORMATION SEPARATOR ONE
control UNIT SEPARATOR
abbreviation US
alias INFORMATION SEPARATOR ONE
alias unit separator (US)
Adobe Glyph List controlUS
digraph US

Elsewhere

Complete Record

Property Value
Age (age) 1.1 (1993)
Unicode Name (na) —
Unicode 1 Name (na1) INFORMATION SEPARATOR ONE
Block (blk) Basic Latin
General Category (gc) Control
Script (sc) Common
Bidirectional Category (bc) Segment Separator
Combining Class (ccc) Not Reordered
Decomposition Type (dt) none
Decomposition Mapping (dm) Glyph for U+001F Information Separator One*
Lowercase (Lower) ✘
Simple Lowercase Mapping (slc) Glyph for U+001F Information Separator One*
Lowercase Mapping (lc) Glyph for U+001F Information Separator One*
Uppercase (Upper) ✘
Simple Uppercase Mapping (suc) Glyph for U+001F Information Separator One*
Uppercase Mapping (uc) Glyph for U+001F Information Separator One*
Simple Titlecase Mapping (stc) Glyph for U+001F Information Separator One*
Titlecase Mapping (tc) Glyph for U+001F Information Separator One*
Case Folding (cf) Glyph for U+001F Information Separator One*
ASCII Hex Digit (AHex) ✘
Alphabetic (Alpha) ✘
Bidi Control (Bidi_C) ✘
Bidi Mirrored (Bidi_M) ✘
Composition Exclusion (CE) ✘
Case Ignorable (CI) ✘
Changes When Casefolded (CWCF) ✘
Changes When Casemapped (CWCM) ✘
Changes When NFKC Casefolded (CWKCF) ✘
Changes When Lowercased (CWL) ✘
Changes When Titlecased (CWT) ✘
Changes When Uppercased (CWU) ✘
Cased (Cased) ✘
Full Composition Exclusion (Comp_Ex) ✘
Default Ignorable Code Point (DI) ✘
Dash (Dash) ✘
Deprecated (Dep) ✘
Diacritic (Dia) ✘
Emoji Modifier Base (EBase) ✘
Emoji Component (EComp) ✘
Emoji Modifier (EMod) ✘
Emoji Presentation (EPres) ✘
Emoji (Emoji) ✘
Extender (Ext) ✘
Extended Pictographic (ExtPict) ✘
FC NFKC Closure (FC_NFKC) Glyph for U+001F Information Separator One*
Grapheme Cluster Break (GCB) Control
Grapheme Base (Gr_Base) ✘
Grapheme Extend (Gr_Ext) ✘
Grapheme Link (Gr_Link) ✘
Hex Digit (Hex) ✘
Hyphen (Hyphen) ✘
ID Continue (IDC) ✘
ID Start (IDS) ✘
IDS Binary Operator (IDSB) ✘
IDS Trinary Operator and (IDST) ✘
IDSU (IDSU) 0
ID_Compat_Math_Continue (ID_Compat_Math_Continue) 0
ID_Compat_Math_Start (ID_Compat_Math_Start) 0
Ideographic (Ideo) ✘
InCB (InCB) None
Indic Mantra Category (InMC) —
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
Jamo Short Name (JSN) —
Join Control (Join_C) ✘
Logical Order Exception (LOE) ✘
Math (Math) ✘
Noncharacter Code Point (NChar) ✘
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) Glyph for U+001F Information Separator One*
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+001F Information Separator One*
NFKD Quick Check (NFKD_QC) Yes
Other Alphabetic (OAlpha) ✘
Other Default Ignorable Code Point (ODI) ✘
Other Grapheme Extend (OGr_Ext) ✘
Other ID Continue (OIDC) ✘
Other ID Start (OIDS) ✘
Other Lowercase (OLower) ✘
Other Math (OMath) ✘
Other Uppercase (OUpper) ✘
Prepended Concatenation Mark (PCM) ✘
Pattern Syntax (Pat_Syn) ✘
Pattern White Space (Pat_WS) ✘
Quotation Mark (QMark) ✘
Regional Indicator (RI) ✘
Radical (Radical) ✘
Sentence Break (SB) Other
Soft Dotted (SD) ✘
Sentence Terminal (STerm) ✘
Terminal Punctuation (Term) ✘
Unified Ideograph (UIdeo) ✘
Variation Selector (VS) ✘
Word Break (WB) Other
White Space (WSpace) ✘
XID Continue (XIDC) ✘
XID Start (XIDS) ✘
Expands On NFC (XO_NFC) ✘
Expands On NFD (XO_NFD) ✘
Expands On NFKC (XO_NFKC) ✘
Expands On NFKD (XO_NFKD) ✘
Bidi Paired Bracket (bpb) Glyph for U+001F Information Separator One*
Bidi Paired Bracket Type (bpt) None
East Asian Width (ea) neutral
Hangul Syllable Type (hst) Not Applicable
ISO 10646 Comment (isc) —
Joining Group (jg) No_Joining_Group
Joining Type (jt) Non Joining
Line Break (lb) Combining Mark
Numeric Type (nt) none
Numeric Value (nv) not a number
Simple Case Folding (scf) Glyph for U+001F Information Separator One*
Script Extension (scx)
Vertical Orientation (vo) R