Curly Bracket Extension ⎪

⎪ (U+23AA) is a standard Unicode character that you can copy and paste anywhere text is accepted. This page provides a concise reference with safe tips, internal links, and practical guidance so you can use it reliably across apps and platforms.

What it is and where it’s used: Curly Bracket Extension is part of the Symbols family (block: Miscellaneous Technical). If you need styled or decorative alternatives, try our Fancy Text tool to generate compatible text that works in most modern interfaces.

History & usage: The character U+23AA is the CURLY BRACKET EXTENSION. It belongs to the Miscellaneous Technical block and appears in the Common script. In history, symbols in this area evolved from practical needs in writing and computing. The main use of this form is to act as a bracket or quote delimiter. It helps group items, outline parameters, or mark quoted text. In practice, writers, programmers, and editors may use it to set apart data or options inside code or text. The symbol is often seen when tools require a clear boundary between elements without conflicting with other punctuation. Its role continues as a visual cue for grouping notational parts. In many fonts, the curvature helps distinguish it from other brackets. This aids readability and reduces ambiguity in dense sections of code or technical documents. The CURLY BRACKET EXTENSION thus supports clear structure while staying unobtrusive. Its usage remains compatible with plain text workflows and modern editors. Overall, it serves as a compact, recognizable delimiter in technical and written contexts.

Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+23AA in many development tools or editors. Some operating systems provide a character viewer or input palette that lets you search by name or code and insert the glyph into documents.

Display and fallback: if you see an empty box (tofu) or a placeholder rectangle, the active font might not include this codepoint. Switching to a font with broader Unicode coverage or using a fallback font usually fixes the issue. On the web, ensure the page’s font stack includes a general‑purpose fallback.

Related references: browse the Categories for similar characters. When choosing a symbol, prefer the official codepoint for semantic clarity and better compatibility with search, copy, and accessibility tooling.

See our category page for related symbols.