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   September 2024
  - Unicode 15.0 update.




LEFT SQUARE BRACKET character


Name:
LEFT SQUARE BRACKET
Hex Number:
U+005B
Decimal Number:
91
HTML Entity (Dec):
[
HTML Entity (Hex):
[
Alternate Name:
OPENING SQUARE BRACKET
Category:
Ps (Open Punctuation)
Bidi Class:
ON (Other Neutrals)
Mirrored:
Y
Combining Class:
0
Unicode Block:
Basic Latin
Plane:
0
Plane Code:
BMP
Plane Description:
Basic Multilingual Plane
Plane Range:
0000-FFFF
Character Preview:
[












LEFT SQUARE BRACKET is an opening punctuation mark (of a pair) from the Basic Multilingual Plane.

The bidi class of LEFT SQUARE BRACKET is Other Neutrals (Neutral). It belongs to the neutrals. Whitespace and punctuation, which take on the directionality of the surrounding text..

The Other Neutral (ON) bidi class includes characters that do not have a strong directional preference and can appear in any text context without influencing the overall directionality. These characters include punctuation marks, symbols, and various other text elements that do not fit into more specific bidi classes.

Open Punctuation (Ps) refers to punctuation marks that are used to open a section of text, such as parentheses, brackets, and braces. These characters are paired with closing punctuation to enclose parts of text.

This character belongs to the Basic Latin block. The Basic Latin block, also known as the ASCII block, is foundational in computing and text processing. It includes the standard English alphabet (both uppercase and lowercase), Arabic numerals (0-9), and essential punctuation marks like periods, commas, and parentheses. ASCII, which stands for American Standard Code for Information Interchange, was developed in the 1960s and remains a cornerstone of text encoding. This block is indispensable for programming, data interchange, and everyday digital communication, forming the basis for many other Unicode blocks..





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