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For instance, the lexical grammar for many programming languages specifies that a string literal starts with a " character and continues until a matching " is found (escaping makes this more complicated), that an identifier is an alphanumeric sequence (letters and digits, usually also allowing underscores, and disallowing initial digits), and ...
R is a programming language for statistical computing and data visualization.It has been adopted in the fields of data mining, bioinformatics and data analysis. [9]The core R language is augmented by a large number of extension packages, containing reusable code, documentation, and sample data.
Similarly to how phonemes are combined to form spoken words, letters may be combined to form written words. A single phoneme may also be represented by multiple letters in sequence, collectively called a multigraph. Multigraphs include digraphs of two letters [2] (e.g. English ch, sh, th), and trigraphs of three letters (e.g. English tch).
Technically, é (U+00E9) is a character that can be decomposed into an equivalent string of the base letter e (U+0065) and combining acute accent (U+0301). Similarly, ligatures are precompositions of their constituent letters or graphemes. Precomposed characters are the legacy solution for representing many special letters in various character ...
In bioinformatics and biochemistry, the FASTA format is a text-based format for representing either nucleotide sequences or amino acid (protein) sequences, in which nucleotides or amino acids are represented using single-letter codes. The format allows for sequence names and comments to precede the sequences.
For example, in French, the following four words would be sorted this way: cote < côte < coté < côté. The letter e is ordered as e é è ê ë (œ considered as oe), same thing for o as ô ö. In German letters with umlaut (Ä, Ö, Ü) are treated generally just like their non-umlauted versions; ß is always sorted as ss. This makes the ...
A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.
Modifier Letter Small R U+02B4 ʴ 692 Modifier Letter Small Turned R U+02B5 ʵ 693 Modifier Letter Small Turned R with hook U+02B6 ʶ 694 Modifier Letter Small Capital Inverted R U+02B7 ʷ 695 Modifier Letter Small W U+02B8 ʸ 696 Modifier Letter Small Y U+02B9 ʹ 697 Modifier Letter Prime U+02BA ʺ 698 Modifier Letter Double Prime U+02BB ʻ 699