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CSV is a delimited data format that has fields/columns separated by the comma character and records/rows terminated by newlines. A CSV file does not require a specific character encoding, byte order, or line terminator format (some software do not support all line-end variations). A record ends at a line terminator.
In this way, any ASCII text including newlines can be contained in a field. ASCII and Unicode include several control characters that are intended to be used as delimiters. They are: 28 for File Separator, 29 for Group Separator, 30 for Record Separator, and 31 for Unit Separator. Example of such use is MARC 21 bibliographic data format. [6]
Most newline characters and sequences are in ASCII's C0 controls (i.e. have Unicode code points up to 0x1F). The three newline characters outside of this range— NEL, LS and PS —are often not recognized as newlines by software. For example: ECMAScript accepts LS and PS as line breaks, [10] but considers U+0085 (NEL) whitespace instead of a ...
The terms "line-delimited JSON" and "newline-delimited JSON" are often used without clarifying if embedded newlines are supported. In the past the NDJ specification ("newline-delimited JSON") [8] allowed comments to be embedded if the first two characters of a given line were "//". This could not be used with standard JSON parsers if comments ...
In PowerShell, here documents are referred to as here-strings. A here-string is a string which starts with an open delimiter (@" or @') and ends with a close delimiter ("@ or '@) on a line by itself, which terminates the string. All characters between the open and close delimiter are considered the string literal.
For example, in Python, raw strings are preceded by an r or R – compare 'C:\\Windows' with r'C:\Windows' (though, a Python raw string cannot end in an odd number of backslashes). Python 2 also distinguishes two types of strings: 8-bit ASCII ("bytes") strings (the default), explicitly indicated with a b or B prefix, and Unicode strings ...
Records are separated by newlines, and values within a record are separated by tab characters. The TSV format is thus a delimiter-separated values format, similar to comma-separated values . TSV is a simple file format that is widely supported, so it is often used in data exchange to move tabular data between different computer programs that ...
Let us notate a formal grammar as = (,,,), with a set of nonterminal symbols, a set of terminal symbols, a set of production rules, and the start symbol.. A string () directly yields, or directly derives to, a string (), denoted as , if v can be obtained from u by an application of some production rule in P, that is, if = and =, where () is a production rule, and , is the unaffected left and ...