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String (computer science)

In computer programming, a string is traditionally a sequence of characters, either as a literal constant or as some kind of variable. The latter may allow its elements to be mutated and the length changed, or it may be fixed (after creation). A string is often implemented as an array data structure of bytes (or words) that stores a sequence of elements…

Characters & History

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String datatypes

Programming languagePrimitive typesComposite typesSyntaxHigh-level programming languages
47 related topics

Formal theory

Finite setAlphabetLengthNon-negative integerEmpty string
39 related topics

Character string-oriented languages and utilities

AWKIconMUMPSRexxSed
15 related topics

History

CompositorsSymbolic logicLinguistic theoryFormalC. I. Lewis
8 related topics

Topics to explore

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Overview

Purpose

History

String datatypes

Literal strings

Non-text strings

String processing algorithms

Character string-oriented languages and utilities

Character string functions

Formal theory

Advanced semantic analysis

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Map overview Semantic statistics

String (computer science)

Nodes205
Edges204
Triples29
Avg. degree1.99
Density0.009756
Components1

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Important terminology Word statistics

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Important terminology

string strings length displaystyle characters data sigma character languages sequence example used programming may set also texttt often ascii code

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
in C programming languageinstance ofusually a character value with all bits zero0.80text
Chineseinstance ofthough often somewhat readable and some computer users learned to read the mangled text.Logographic languages0.80text
Japaneseinstance ofthough often somewhat readable and some computer users learned to read the mangled text.Logographic languages0.80text
and Koreaninstance ofthough often somewhat readable and some computer users learned to read the mangled text.Logographic languages0.80text
the EUC family guarantee that a byte value in the ASCII range will represent only that ASCII characterinstance ofSome encodings0.80text
making the encoding safe for systems that use those characters as field separatorsinstance ofSome encodings0.80text
ISO-2022instance ofOther encodings0.80text
Shift-JIS do not make such guaranteesinstance ofOther encodings0.80text
making matching on byte codes unsafeinstance ofOther encodings0.80text
Haskell implement them as linked lists instead.Many high-level languages provide strings as a primitive data typeinstance ofA few languages0.80text
such as JavaScriptinstance ofA few languages0.80text
PHPinstance ofA few languages0.80text

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