U+001A Substitute *
U+001A was added in Unicode version 1.1 in 1993. It belongs to the block Basic Latin in the Basic Multilingual Plane.
This character is a Control and is commonly used, that is, in no specific script. The character is also known as SUBSTITUTE.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Boundary Neutral. When changing direction it is not mirrored. U+001A prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
In computer data, a substitute character (␚) is a control character that is used to pad transmitted data in order to send it in blocks of fixed size, or to stand in place of a character that is recognized to be invalid, erroneous or unrepresentable on a given device. It is also used as an escape sequence in some programming languages.
In the ASCII character set, this character is encoded by the number 26 (1A hex). Standard keyboards transmit this code when the Ctrl and Z keys are pressed simultaneously (Ctrl+Z, often documented by convention as ^Z). Unicode inherits this character from ASCII, but recommends that the replacement character (�, U+FFFD) be used instead to represent un-decodable inputs, when the output encoding is compatible with it.
Representations
| System | Representation (click value to copy) |
|---|---|
| Nº | |
| UTF-8 | |
| UTF-16 | |
| UTF-32 | |
| URL-Quoted | |
| HTML hex reference | |
| Wrong windows-1252 Mojibake | |
| Caret Notation | |
| control | |
| abbreviation | |
| alias | |
| Encoding: ASCII (hex bytes) | |
| Encoding: BIG5 (hex bytes) | |
| Encoding: BIG5HKSCS (hex bytes) | |
| Encoding: CP037 (hex bytes) | |
| Encoding: CP273 (hex bytes) | |
| Encoding: CP424 (hex bytes) | |
| Encoding: CP437 (hex bytes) | |
| Encoding: CP500 (hex bytes) | |
| Encoding: CP720 (hex bytes) | |
| Encoding: CP737 (hex bytes) | |
| Encoding: CP775 (hex bytes) | |
| Encoding: CP850 (hex bytes) | |
| Encoding: CP852 (hex bytes) | |
| Encoding: CP855 (hex bytes) | |
| Encoding: CP856 (hex bytes) | |
| Encoding: CP857 (hex bytes) | |
| Encoding: CP858 (hex bytes) | |
| Encoding: CP860 (hex bytes) | |
| Encoding: CP861 (hex bytes) | |
| Encoding: CP862 (hex bytes) | |
| Encoding: CP863 (hex bytes) | |
| Encoding: CP864 (hex bytes) | |
| Encoding: CP865 (hex bytes) | |
| Encoding: CP866 (hex bytes) | |
| Encoding: CP869 (hex bytes) | |
| Encoding: CP874 (hex bytes) | |
| Encoding: CP875 (hex bytes) | |
| Encoding: CP932 (hex bytes) | |
| Encoding: CP949 (hex bytes) | |
| Encoding: CP950 (hex bytes) | |
| Encoding: CP1006 (hex bytes) | |
| Encoding: CP1026 (hex bytes) | |
| Encoding: CP1125 (hex bytes) | |
| Encoding: CP1140 (hex bytes) | |
| Encoding: CP1250 (hex bytes) | |
| Encoding: CP1251 (hex bytes) | |
| Encoding: CP1252 (hex bytes) | |
| Encoding: CP1253 (hex bytes) | |
| Encoding: CP1254 (hex bytes) | |
| Encoding: CP1255 (hex bytes) | |
| Encoding: CP1256 (hex bytes) | |
| Encoding: CP1257 (hex bytes) | |
| Encoding: CP1258 (hex bytes) | |
| Encoding: EUC_JP (hex bytes) | |
| Encoding: EUC_JIS_2004 (hex bytes) | |
| Encoding: EUC_JISX0213 (hex bytes) | |
| Encoding: EUC_KR (hex bytes) | |
| Encoding: GB2312 (hex bytes) | |
| Encoding: GBK (hex bytes) | |
| Encoding: GB18030 (hex bytes) | |
| Encoding: HZ (hex bytes) | |
| Encoding: ISO2022_JP (hex bytes) | |
| Encoding: ISO2022_JP_1 (hex bytes) | |
| Encoding: ISO2022_JP_2 (hex bytes) | |
| Encoding: ISO2022_JP_2004 (hex bytes) | |
| Encoding: ISO2022_JP_3 (hex bytes) | |
| Encoding: ISO2022_JP_EXT (hex bytes) | |
| Encoding: ISO2022_KR (hex bytes) | |
| Encoding: LATIN_1 (hex bytes) | |
| Encoding: ISO8859_2 (hex bytes) | |
| Encoding: ISO8859_3 (hex bytes) | |
| Encoding: ISO8859_4 (hex bytes) | |
| Encoding: ISO8859_5 (hex bytes) | |
| Encoding: ISO8859_6 (hex bytes) | |
| Encoding: ISO8859_7 (hex bytes) | |
| Encoding: ISO8859_8 (hex bytes) | |
| Encoding: ISO8859_9 (hex bytes) | |
| Encoding: ISO8859_10 (hex bytes) | |
| Encoding: ISO8859_11 (hex bytes) | |
| Encoding: ISO8859_13 (hex bytes) | |
| Encoding: ISO8859_14 (hex bytes) | |
| Encoding: ISO8859_15 (hex bytes) | |
| Encoding: ISO8859_16 (hex bytes) | |
| Encoding: JOHAB (hex bytes) | |
| Encoding: KOI8_R (hex bytes) | |
| Encoding: KOI8_T (hex bytes) | |
| Encoding: KOI8_U (hex bytes) | |
| Encoding: KZ1048 (hex bytes) | |
| Encoding: MAC_CYRILLIC (hex bytes) | |
| Encoding: MAC_GREEK (hex bytes) | |
| Encoding: MAC_ICELAND (hex bytes) | |
| Encoding: MAC_LATIN2 (hex bytes) | |
| Encoding: MAC_ROMAN (hex bytes) | |
| Encoding: MAC_TURKISH (hex bytes) | |
| Encoding: PTCP154 (hex bytes) | |
| Encoding: SHIFT_JIS (hex bytes) | |
| Encoding: SHIFT_JIS_2004 (hex bytes) | |
| Encoding: SHIFT_JISX0213 (hex bytes) | |
| Encoding: CP037 (hex bytes) | |
| Encoding: CP1025 (hex bytes) | |
| Encoding: CP1047 (hex bytes) | |
| Encoding: CP1097 (hex bytes) | |
| Encoding: CP1112 (hex bytes) | |
| Encoding: CP1122 (hex bytes) | |
| Encoding: CP1123 (hex bytes) | |
| Encoding: CP1140 (hex bytes) | |
| Encoding: CP1141 (hex bytes) | |
| Encoding: CP1142 (hex bytes) | |
| Encoding: CP1143 (hex bytes) | |
| Encoding: CP1144 (hex bytes) | |
| Encoding: CP1145 (hex bytes) | |
| Encoding: CP1146 (hex bytes) | |
| Encoding: CP1147 (hex bytes) | |
| Encoding: CP1148 (hex bytes) | |
| Encoding: CP1148MS (hex bytes) | |
| Encoding: CP1149 (hex bytes) | |
| Encoding: CP273 (hex bytes) | |
| Encoding: CP277 (hex bytes) | |
| Encoding: CP278 (hex bytes) | |
| Encoding: CP280 (hex bytes) | |
| Encoding: CP284 (hex bytes) | |
| Encoding: CP285 (hex bytes) | |
| Encoding: CP290 (hex bytes) | |
| Encoding: CP297 (hex bytes) | |
| Encoding: CP420 (hex bytes) | |
| Encoding: CP424 (hex bytes) | |
| Encoding: CP500 (hex bytes) | |
| Encoding: CP500MS (hex bytes) | |
| Encoding: CP833 (hex bytes) | |
| Encoding: CP838 (hex bytes) | |
| Encoding: CP870 (hex bytes) | |
| Encoding: CP871 (hex bytes) | |
| Encoding: CP875 (hex bytes) | |
| Adobe Glyph List | |
| digraph | |
| RFC 5137 | |
Bash and Zsh inside echo -e | |
| C and C++ | |
| C# | |
| CSS | |
| Excel | |
| Go | |
| JavaScript | |
| Modern JavaScript since ES6 | |
| JSON | |
| Java | |
| Lua | |
| Matlab | |
| Perl | |
| PHP | |
| PostgreSQL | |
| PowerShell | |
| Python | |
| Ruby | |
| Rust | |
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Elsewhere
Complete Record
| Property | Value |
|---|---|
| 1.1 (1993) | |
| — | |
| SUBSTITUTE | |
| Basic Latin | |
| Control | |
| Common | |
| Boundary Neutral | |
| Not Reordered | |
| none | |
| Substitute* | |
| ✘ | |
| Substitute* | |
| Substitute* | |
| ✘ | |
| Substitute* | |
| Substitute* | |
| Substitute* | |
| Substitute* | |
| Substitute* | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Substitute* | |
| Control | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| 0 | |
| 0 | |
| 0 | |
| ✘ | |
| None | |
| — | |
| NA | |
| Other | |
| — | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Yes | |
| Yes | |
| Substitute* | |
| Yes | |
| Substitute* | |
| Yes | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Substitute* | |
| None | |
| neutral | |
| Not Applicable | |
| — | |
| No_Joining_Group | |
| Non Joining | |
| Combining Mark | |
| none | |
| not a number | |
| Substitute* | |
| R |