This character is a Other Punctuation and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is narrow. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. It will not end a sentence. U+003B prohibits a line break after it, and before it, too, if preceded by a number. The glyph can be confused with one other glyph.
The CLDR project calls this character “semicolon” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: semi-colon.
The Wikipedia has the following information about this codepoint:
The semicolon; (or semi-colon) is a symbol commonly used as orthographic punctuation. In the English language, a semicolon is most commonly used to link (in a single sentence) two independent clauses that are closely related in thought, such as when restating the preceding idea with a different expression. When a semicolon joins two or more ideas in one sentence, those ideas are then given equal rank. Semicolons can also be used in place of commas to separate items in a list, particularly when the elements of the list themselves have embedded commas.
The semicolon is one of the least understood of the standard marks, and is not frequently used by many English speakers.
In the QWERTY keyboard layout, the semicolon resides in the unshifted homerow beneath the little finger of the right hand and has become widely used in programming languages as a statement separator or terminator.
Representations
System
Representation (click value to copy)
Nº
59
UTF-8
3B
UTF-16
00 3B
UTF-32
00 00 00 3B
URL-Quoted
%3B
HTML hex reference
;
HTML named entity
;
Encoding: ASCII (hex bytes)
3B
Encoding: BIG5 (hex bytes)
3B
Encoding: BIG5HKSCS (hex bytes)
3B
Encoding: CP037 (hex bytes)
5E
Encoding: CP273 (hex bytes)
5E
Encoding: CP424 (hex bytes)
5E
Encoding: CP437 (hex bytes)
3B
Encoding: CP500 (hex bytes)
5E
Encoding: CP720 (hex bytes)
3B
Encoding: CP737 (hex bytes)
3B
Encoding: CP775 (hex bytes)
3B
Encoding: CP850 (hex bytes)
3B
Encoding: CP852 (hex bytes)
3B
Encoding: CP855 (hex bytes)
3B
Encoding: CP856 (hex bytes)
3B
Encoding: CP857 (hex bytes)
3B
Encoding: CP858 (hex bytes)
3B
Encoding: CP860 (hex bytes)
3B
Encoding: CP861 (hex bytes)
3B
Encoding: CP862 (hex bytes)
3B
Encoding: CP863 (hex bytes)
3B
Encoding: CP864 (hex bytes)
3B
Encoding: CP865 (hex bytes)
3B
Encoding: CP866 (hex bytes)
3B
Encoding: CP869 (hex bytes)
3B
Encoding: CP874 (hex bytes)
3B
Encoding: CP875 (hex bytes)
5E
Encoding: CP932 (hex bytes)
3B
Encoding: CP949 (hex bytes)
3B
Encoding: CP950 (hex bytes)
3B
Encoding: CP1006 (hex bytes)
3B
Encoding: CP1026 (hex bytes)
5E
Encoding: CP1125 (hex bytes)
3B
Encoding: CP1140 (hex bytes)
5E
Encoding: CP1250 (hex bytes)
3B
Encoding: CP1251 (hex bytes)
3B
Encoding: CP1252 (hex bytes)
3B
Encoding: CP1253 (hex bytes)
3B
Encoding: CP1254 (hex bytes)
3B
Encoding: CP1255 (hex bytes)
3B
Encoding: CP1256 (hex bytes)
3B
Encoding: CP1257 (hex bytes)
3B
Encoding: CP1258 (hex bytes)
3B
Encoding: EUC_JP (hex bytes)
3B
Encoding: EUC_JIS_2004 (hex bytes)
3B
Encoding: EUC_JISX0213 (hex bytes)
3B
Encoding: EUC_KR (hex bytes)
3B
Encoding: GB2312 (hex bytes)
3B
Encoding: GBK (hex bytes)
3B
Encoding: GB18030 (hex bytes)
3B
Encoding: HZ (hex bytes)
3B
Encoding: ISO2022_JP (hex bytes)
3B
Encoding: ISO2022_JP_1 (hex bytes)
3B
Encoding: ISO2022_JP_2 (hex bytes)
3B
Encoding: ISO2022_JP_2004 (hex bytes)
3B
Encoding: ISO2022_JP_3 (hex bytes)
3B
Encoding: ISO2022_JP_EXT (hex bytes)
3B
Encoding: ISO2022_KR (hex bytes)
3B
Encoding: LATIN_1 (hex bytes)
3B
Encoding: ISO8859_2 (hex bytes)
3B
Encoding: ISO8859_3 (hex bytes)
3B
Encoding: ISO8859_4 (hex bytes)
3B
Encoding: ISO8859_5 (hex bytes)
3B
Encoding: ISO8859_6 (hex bytes)
3B
Encoding: ISO8859_7 (hex bytes)
3B
Encoding: ISO8859_8 (hex bytes)
3B
Encoding: ISO8859_9 (hex bytes)
3B
Encoding: ISO8859_10 (hex bytes)
3B
Encoding: ISO8859_11 (hex bytes)
3B
Encoding: ISO8859_13 (hex bytes)
3B
Encoding: ISO8859_14 (hex bytes)
3B
Encoding: ISO8859_15 (hex bytes)
3B
Encoding: ISO8859_16 (hex bytes)
3B
Encoding: JOHAB (hex bytes)
3B
Encoding: KOI8_R (hex bytes)
3B
Encoding: KOI8_T (hex bytes)
3B
Encoding: KOI8_U (hex bytes)
3B
Encoding: KZ1048 (hex bytes)
3B
Encoding: MAC_CYRILLIC (hex bytes)
3B
Encoding: MAC_GREEK (hex bytes)
3B
Encoding: MAC_ICELAND (hex bytes)
3B
Encoding: MAC_LATIN2 (hex bytes)
3B
Encoding: MAC_ROMAN (hex bytes)
3B
Encoding: MAC_TURKISH (hex bytes)
3B
Encoding: PTCP154 (hex bytes)
3B
Encoding: SHIFT_JIS (hex bytes)
3B
Encoding: SHIFT_JIS_2004 (hex bytes)
3B
Encoding: SHIFT_JISX0213 (hex bytes)
3B
Encoding: CP037 (hex bytes)
5E
Encoding: CP1025 (hex bytes)
5E
Encoding: CP1047 (hex bytes)
5E
Encoding: CP1097 (hex bytes)
5E
Encoding: CP1112 (hex bytes)
5E
Encoding: CP1122 (hex bytes)
5E
Encoding: CP1123 (hex bytes)
5E
Encoding: CP1140 (hex bytes)
5E
Encoding: CP1141 (hex bytes)
5E
Encoding: CP1142 (hex bytes)
5E
Encoding: CP1143 (hex bytes)
5E
Encoding: CP1144 (hex bytes)
5E
Encoding: CP1145 (hex bytes)
5E
Encoding: CP1146 (hex bytes)
5E
Encoding: CP1147 (hex bytes)
5E
Encoding: CP1148 (hex bytes)
5E
Encoding: CP1148MS (hex bytes)
5E
Encoding: CP1149 (hex bytes)
5E
Encoding: CP273 (hex bytes)
5E
Encoding: CP277 (hex bytes)
5E
Encoding: CP278 (hex bytes)
5E
Encoding: CP280 (hex bytes)
5E
Encoding: CP284 (hex bytes)
5E
Encoding: CP285 (hex bytes)
5E
Encoding: CP290 (hex bytes)
5E
Encoding: CP297 (hex bytes)
5E
Encoding: CP420 (hex bytes)
5E
Encoding: CP424 (hex bytes)
5E
Encoding: CP500 (hex bytes)
5E
Encoding: CP500MS (hex bytes)
5E
Encoding: CP833 (hex bytes)
5E
Encoding: CP838 (hex bytes)
5E
Encoding: CP870 (hex bytes)
5E
Encoding: CP871 (hex bytes)
5E
Encoding: CP875 (hex bytes)
5E
AGL: Latin-1
semicolon
AGL: Latin-2
semicolon
AGL: Latin-3
semicolon
AGL: Latin-4
semicolon
AGL: Latin-5
semicolon
Adobe Glyph List
semicolon
digraph
;
RFC 5137
\u'003B'
Bash and Zsh inside echo -e
\u003B
C and C++
\u003B
C#
\u003B
CSS
\00003B
Excel
=UNICHAR(59)
Go
\u003B
JavaScript
\u003B
Modern JavaScript since ES6
\u{3b}
JSON
\u003B
Java
\u003B
Lua
\u{3B}
Matlab
char(59)
Perl
"\x{3B}"
PHP
\u{3b}
PostgreSQL
U&'\003B'
PowerShell
`u{3B}
Python
\u003B
Ruby
\u{3b}
Rust
\u{3b}
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