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U+23A2 · Miscellaneous Technical

Left Square Bracket Extension ⎢

Left Square Bracket Extension is the Unicode character U+23A2 (official name “LEFT SQUARE BRACKET EXTENSION”) from the Miscellaneous Technical block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+23A2
HTML⎢
⎢U+23A2

Character codes

Unicode code pointU+23A2
Decimal9122
HTML (hex)⎢
HTML (decimal)⎢
CSS\23A2
JavaScript\u23A2
Python\u23A2
UTF-8 bytesE2 8E A2
UTF-1623A2
URL-encoded%E2%8E%A2

Character details

Official nameLEFT SQUARE BRACKET EXTENSION
Unicode blockMiscellaneous Technical
General categoryMath Symbol (Sm)
SymbolHero categoryMath Symbols
EmojiNo

How to type ⎢

Windows

  • In Microsoft Word or Outlook: type 23A2 then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “left square bracket extension”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “left square bracket extension”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 23A2.

iPhone & Android

  • Tap Copy at the top of this page, then long-press where you want it and choose Paste.

Docs & web

  • Google Docs: Insert → Special characters, then search “left square bracket extension” or enter U+23A2.
  • HTML: ⎢
  • Excel / Google Sheets: =UNICHAR(9122)

Similar math symbols

Contains with Overbar
Small Contains with Overbar
Z Notation Bag Membership
Top Half Integral
Bottom Half Integral
Left Parenthesis Upper Hook
Left Parenthesis Extension
Left Parenthesis Lower Hook
Right Parenthesis Upper Hook
Right Parenthesis Extension
Right Parenthesis Lower Hook
Left Square Bracket Upper Corner
Left Square Bracket Lower Corner
Right Square Bracket Upper Corner
Right Square Bracket Extension
Right Square Bracket Lower Corner
Left Curly Bracket Upper Hook
Left Curly Bracket Middle Piece
Left Curly Bracket Lower Hook
Curly Bracket Extension
Right Curly Bracket Upper Hook
Right Curly Bracket Middle Piece
Right Curly Bracket Lower Hook
Integral Extension

See all 714 math symbols →

Questions

What is the Unicode for ⎢?

It is U+23A2 (LEFT SQUARE BRACKET EXTENSION), decimal 9122.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 23A2 then Alt+X, or copy it from this page.

How do I type it on a Mac?

There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “left square bracket extension”, or copy it from this page.

What is the HTML code?

Use the numeric reference ⎢ (or ⎢). There is no named entity.