UnicodeCharactercom
＼
U+FF3C · FULLWIDTH REVERSE SOLIDUS

Fullwidth Reverse Solidus

  • CodepointU+FF3C
  • NameFULLWIDTH REVERSE SOLIDUS
  • Decimal65340
  • BlockHalfwidth and Fullwidth Forms (U+FF00–U+FFEF)
  • Plane0 — Basic Multilingual Plane
  • ScriptCommon
  • CategoryPo — Other Punctuation
  • Unicode version1.1 (1993)
  • Bidi classON — Other Neutral
  • Combining class0
  • East Asian widthF — Fullwidth
  • MirroredNo

About this character

U+FF3C (＼) is FULLWIDTH REVERSE SOLIDUS, a punctuation mark in the Halfwidth and Fullwidth Forms block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 1.1 (1993).

It is a fullwidth form of U+005C \ (compatibility decomposition <wide>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+005C \. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

Its East Asian Width is Fullwidth, so terminals and monospaced layouts give it two columns.

How to type ＼

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Encodings & escapes

UTF-8 encoder →
UTF-8EF BC BC3 bytes
UTF-16FF3C1 code unit
UTF-320000FF3C4 bytes
HTML decimal&#65340;
HTML hex&#xFF3C;
CSS\FF3Cin content: "…"
JavaScript\uFF3C
JSON\uFF3C
Python\uFF3C
Python\N{FULLWIDTH REVERSE SOLIDUS}by name
Java / C#\uFF3C
C / C++\uFF3Cuniversal character name
Rust / Swift / PHP\u{FF3C}
Go\uFF3C
Ruby\uFF3C
Excel / Sheets=UNICHAR(65340)
URL-encoded%EF%BC%BCpercent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDunchanged
NFKCU+005C \
NFKDU+005C \
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Looks similar

Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.

U+005C\Reverse Solidus U+2216∖Set Minus U+27CD⟍Mathematical Falling Diagonal U+29F5⧵Reverse Solidus Operator U+29F9⧹Big Reverse Solidus U+FE68﹨Small Reverse Solidus U+2F02⼂Kangxi Radical Dot U+31D4㇔CJK Stroke D U+4E36丶CJK Unified Ideograph-4e36 U+1D20F𝈏Greek Vocal Notation Symbol-16 U+1D23B𝈻Greek Instrumental Notation Symbol-48
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Nearby in Halfwidth and Fullwidth Forms

All in block →
U+FF36ＶFullwidth Latin Capital Letter V U+FF37ＷFullwidth Latin Capital Letter W U+FF38ＸFullwidth Latin Capital Letter X U+FF39ＹFullwidth Latin Capital Letter Y U+FF3AＺFullwidth Latin Capital Letter Z U+FF3B［Fullwidth Left Square Bracket U+FF3D］Fullwidth Right Square Bracket U+FF3E＾Fullwidth Circumflex Accent U+FF3F＿Fullwidth Low Line U+FF40｀Fullwidth Grave Accent U+FF41ａFullwidth Latin Small Letter A U+FF42ｂFullwidth Latin Small Letter B