Search results
Results From The WOW.Com Content Network
A Unicode character is assigned a unique Name (na). [1] The name is composed of uppercase letters A–Z, digits 0–9, hyphen-minus and space.Some sequences are excluded: names beginning with a space or hyphen, names ending with a space or hyphen, repeated spaces or hyphens, and space after hyphen are not allowed.
However, directionality may not be detected correctly if left-to-right text is quoted at the beginning of a right-to-left paragraph (or vice versa), [2] and the support for bidirectional text becomes even more complicated when text flowing in opposite directions is embedded hierarchically, for example if an English text quotes an Arabic phrase ...
Generally, an escape character is not a particular case of (device) control characters, nor vice versa.If we define control characters as non-graphic, or as having a special meaning for an output device (e.g. printer or text terminal) then any escape character for this device is a control one.
This essay explains use of the non-breaking hyphen character ‑, U+2011, coded by ‑ or ‑. Once displayed in a page, the non-breaking hyphen can be copied into words, or abbreviations, so they will not wrap at the hyphen character, such as an interstate highway symbol, "I‑94", which would always wrap to the next line as a whole word.
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
Specifically, they used ASCII code 27 10 (escape), followed by a series of characters called a "control sequence" or "escape sequence". The mechanism was invented by Bob Bemer , the father of ASCII. For example, the sequence of code 27 10 , followed by the printable characters "[2;10H", would cause a Digital Equipment Corporation VT100 terminal ...
Regular expressions are used in search engines, in search and replace dialogs of word processors and text editors, in text processing utilities such as sed and AWK, and in lexical analysis. Regular expressions are supported in many programming languages. Library implementations are often called an "engine", [4] [5] and many of these are ...
The replacement character (often displayed as a black rhombus with a white question mark) is a symbol found in the Unicode standard at code point U+FFFD in the Specials table. It is used to indicate problems when a system is unable to render a stream of data to correct symbols. [6]