U+2016 DOUBLE VERTICAL LINE

Two parallel vertical bars, used in pairs in math to denote the norm of a vector or matrix; also a parallel lines symbol.

Codepoint: U+2016
Name: DOUBLE VERTICAL LINE
Block: General Punctuation
Script: Common
Category: Other Punctuation (Po)
Unicode version: 1.1
Plane: BMP
HTML: ‖ ‖
CSS: \2016
UTF-8: E2 80 96
UTF-16: 2016
UTF-32: 00002016

Related characters

U+2015HORIZONTAL BAR
U+2017DOUBLE LOW LINE
U+2014EM DASH
U+2018LEFT SINGLE QUOTATION MARK
U+2013EN DASH
U+2019RIGHT SINGLE QUOTATION MARK
U+2012FIGURE DASH
U+201ASINGLE LOW-9 QUOTATION MARK
U+2011NON-BREAKING HYPHEN
U+201BSINGLE HIGH-REVERSED-9 QUOTATION MARK
U+2010HYPHEN
U+201CLEFT DOUBLE QUOTATION MARK

General Punctuation

111 characters in the General Punctuation Unicode block.

U+2000EN QUAD
U+2001EM QUAD
U+2002EN SPACE
U+2003EM SPACE
U+2004THREE-PER-EM SPACE
U+2005FOUR-PER-EM SPACE
U+2006SIX-PER-EM SPACE
U+2007FIGURE SPACE
U+2008PUNCTUATION SPACE
U+2009THIN SPACE
U+200AHAIR SPACE
U+200BZERO WIDTH SPACE
U+200CZERO WIDTH NON-JOINER
U+200DZERO WIDTH JOINER
U+200ELEFT-TO-RIGHT MARK
U+200FRIGHT-TO-LEFT MARK
U+2010HYPHEN
U+2011NON-BREAKING HYPHEN
U+2012FIGURE DASH
U+2013EN DASH
U+2014EM DASH
U+2015HORIZONTAL BAR
U+2016DOUBLE VERTICAL LINE
U+2017DOUBLE LOW LINE
U+2018LEFT SINGLE QUOTATION MARK
U+2019RIGHT SINGLE QUOTATION MARK
U+201ASINGLE LOW-9 QUOTATION MARK
U+201BSINGLE HIGH-REVERSED-9 QUOTATION MARK
U+201CLEFT DOUBLE QUOTATION MARK
U+201DRIGHT DOUBLE QUOTATION MARK
U+201EDOUBLE LOW-9 QUOTATION MARK
U+201FDOUBLE HIGH-REVERSED-9 QUOTATION MARK
U+2020DAGGER
U+2021DOUBLE DAGGER
U+2022BULLET
U+2023TRIANGULAR BULLET
U+2024ONE DOT LEADER
U+2025TWO DOT LEADER
U+2026HORIZONTAL ELLIPSIS
U+2027HYPHENATION POINT
U+2028LINE SEPARATOR
U+2029PARAGRAPH SEPARATOR
U+202ALEFT-TO-RIGHT EMBEDDING
U+202BRIGHT-TO-LEFT EMBEDDING
U+202CPOP DIRECTIONAL FORMATTING
U+202DLEFT-TO-RIGHT OVERRIDE
U+202ERIGHT-TO-LEFT OVERRIDE
U+202FNARROW NO-BREAK SPACE
U+2030PER MILLE SIGN
U+2031PER TEN THOUSAND SIGN
U+2032PRIME
U+2033DOUBLE PRIME
U+2034TRIPLE PRIME
U+2035REVERSED PRIME
U+2036REVERSED DOUBLE PRIME
U+2037REVERSED TRIPLE PRIME
U+2038CARET
U+2039SINGLE LEFT-POINTING ANGLE QUOTATION MARK
U+203ASINGLE RIGHT-POINTING ANGLE QUOTATION MARK
U+203BREFERENCE MARK
U+203CDOUBLE EXCLAMATION MARK
U+203DINTERROBANG
U+203EOVERLINE
U+203FUNDERTIE
U+2040CHARACTER TIE
U+2041CARET INSERTION POINT
U+2042ASTERISM
U+2043HYPHEN BULLET
U+2044FRACTION SLASH
U+2045LEFT SQUARE BRACKET WITH QUILL
U+2046RIGHT SQUARE BRACKET WITH QUILL
U+2047DOUBLE QUESTION MARK
U+2048QUESTION EXCLAMATION MARK
U+2049EXCLAMATION QUESTION MARK
U+204ATIRONIAN SIGN ET
U+204BREVERSED PILCROW SIGN
U+204CBLACK LEFTWARDS BULLET
U+204DBLACK RIGHTWARDS BULLET
U+204ELOW ASTERISK
U+204FREVERSED SEMICOLON
U+2050CLOSE UP
U+2051TWO ASTERISKS ALIGNED VERTICALLY
U+2052COMMERCIAL MINUS SIGN
U+2053SWUNG DASH
U+2054INVERTED UNDERTIE
U+2055FLOWER PUNCTUATION MARK
U+2056THREE DOT PUNCTUATION
U+2057QUADRUPLE PRIME
U+2058FOUR DOT PUNCTUATION
U+2059FIVE DOT PUNCTUATION
U+205ATWO DOT PUNCTUATION
U+205BFOUR DOT MARK
U+205CDOTTED CROSS
U+205DTRICOLON
U+205EVERTICAL FOUR DOTS
U+205FMEDIUM MATHEMATICAL SPACE
U+2060WORD JOINER
U+2061FUNCTION APPLICATION
U+2062INVISIBLE TIMES
U+2063INVISIBLE SEPARATOR
U+2064INVISIBLE PLUS
U+2066LEFT-TO-RIGHT ISOLATE
U+2067RIGHT-TO-LEFT ISOLATE
U+2068FIRST STRONG ISOLATE
U+2069POP DIRECTIONAL ISOLATE
U+206AINHIBIT SYMMETRIC SWAPPING
U+206BACTIVATE SYMMETRIC SWAPPING
U+206CINHIBIT ARABIC FORM SHAPING
U+206DACTIVATE ARABIC FORM SHAPING
U+206ENATIONAL DIGIT SHAPES
U+206FNOMINAL DIGIT SHAPES