General Category - Open Punctuation

Unicode Version 18.0

Open Punctuation is a classification for characters that serve as opening or initial punctuation marks in paired sets, such as left-facing brackets, parentheses, curly braces, and quotation marks used at the start of a quoted phrase. These marks typically indicate the beginning of an enclosed segment of text, and they often have a corresponding closing counterpart with a different category. In bidirectional text, they are treated as having a specific directionality that mirrors their visual orientation, helping to properly nest and display nested structures. Software can use this classification to auto-pair punctuation, balance delimiters, or apply typographic rules like spacing, ensuring that opening marks are correctly matched with their closing equivalents.

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Left Parenthesis

Left Square Bracket

Left Curly Bracket

Tibetan Mark Gug Rtags Gyon

Tibetan Mark Ang Khang Gyon

Ogham Feather Mark

Single Low-9 Quotation Mark

Double Low-9 Quotation Mark

Left Square Bracket with Quill

Superscript Left Parenthesis

Subscript Left Parenthesis

Left-Pointing Angle Bracket

Medium Left Parenthesis Ornament

Medium Flattened Left Parenthesis Ornament

Medium Left-Pointing Angle Bracket Ornament

Heavy Left-Pointing Angle Quotation Mark Ornament

Heavy Left-Pointing Angle Bracket Ornament

Light Left Tortoise Shell Bracket Ornament

Medium Left Curly Bracket Ornament

Left S-Shaped Bag Delimiter

Mathematical Left White Square Bracket

Mathematical Left Angle Bracket

Mathematical Left Double Angle Bracket

Mathematical Left White Tortoise Shell Bracket

Mathematical Left Flattened Parenthesis

Left White Curly Bracket

Left White Parenthesis

Z Notation Left Image Bracket

Z Notation Left Binding Bracket

Left Square Bracket with Underbar

Left Square Bracket with Tick in Top Corner

Left Square Bracket with Tick in Bottom Corner

Left Angle Bracket with Dot

Left Arc Less-than Bracket

Double Left Arc Greater-than Bracket

Left Black Tortoise Shell Bracket

Left Wiggly Fence

Left Double Wiggly Fence

Left-Pointing Curved Angle Bracket

Top Left Half Bracket

Bottom Left Half Bracket

Left Sideways U Bracket

Left Double Parenthesis

Double Low-Reversed-9 Quotation Mark

Left Square Bracket with Stroke

Left Square Bracket with Double Stroke

Top Half Left Parenthesis

Bottom Half Left Parenthesis

Left Parenthesis with Middle Ring

Left Angle Bracket

Left Double Angle Bracket

Left Corner Bracket

Left White Corner Bracket

Left Black Lenticular Bracket

Left Tortoise Shell Bracket

Left White Lenticular Bracket

Left White Tortoise Shell Bracket

Left White Square Bracket

Reversed Double Prime Quotation Mark

Ornate Right Parenthesis

Presentation Form for Vertical Left White Lenticular Bracket

Presentation Form for Vertical Left Parenthesis

Presentation Form for Vertical Left Curly Bracket

Presentation Form for Vertical Left Tortoise Shell Bracket

Presentation Form for Vertical Left Black Lenticular Bracket

Presentation Form for Vertical Left Double Angle Bracket

Presentation Form for Vertical Left Angle Bracket

Presentation Form for Vertical Left Corner Bracket

Presentation Form for Vertical Left White Corner Bracket

Presentation Form for Vertical Left Square Bracket

Small Left Parenthesis

Small Left Curly Bracket

Small Left Tortoise Shell Bracket

Fullwidth Left Parenthesis

Fullwidth Left Square Bracket

Fullwidth Left Curly Bracket

Fullwidth Left White Parenthesis

Halfwidth Left Corner Bracket

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