The Wolfram Language has efficient systemwide 32-bit Unicode support, allowing a full range of international, technical, and other character sets and character encodings.

Characters — the list of characters in a string

StringJoin — join characters to form a string

ToCharacterCode — convert a string to a list of character codes

FromCharacterCode — convert from a list of character codes to a string

CharacterRange — give a range of characters with successive character codes

Character Types

DigitQ   ▪ LetterQ   ▪ UpperCaseQ   ▪ LowerCaseQ   ▪ PrintableASCIIQ

Letter Transformations »

ToUpperCase   ▪ ToLowerCase   ▪ RemoveDiacritics   ▪ Transliterate   ▪ CharacterNormalize   ▪ ...

Character Patterns »

LetterCharacter   ▪ DigitCharacter   ▪ WordCharacter   ▪ ...

Character Encoding

CharacterEncoding — specify a character encoding ("ANSI", "UTF8", "ShiftJIS", …)

$CharacterEncodings — list of installed character encodings on a computer system

ToString , ToExpression — convert between arbitrary expressions and strings

$CharacterEncoding   ▪ URLEncode   ▪ URLDecode   ▪ ByteArrayToString   ▪ StringToByteArray

ImportString   ▪ ExportString   ▪ ImportByteArray   ▪ ExportByteArray

CharacterName — readable names for all Unicode characters

Alphabet Functions

Alphabet   ▪ LetterNumber   ▪ FromLetterNumber

CharacterCounts — character and character n-gram counts

LetterCounts — letter and letter n-gram counts

Related Tech Notes

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• Characters in Strings
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• Converting between Strings, Boxes, and Expressions
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• Raw Character Encodings
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• Character Codes

Related Workflow Guides

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• Importing and Analyzing Data

Related Guides

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• String Manipulation
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• Special Characters
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• URL Manipulation
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• Internationalization
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• Text Analysis
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• Text Construction
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• Cryptography

Related Links

• Demonstrations related to Character Operations (Wolfram Demonstrations Project)