This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Character Operations
Mathematica has efficient systemwide 16-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
DigitQ  ▪ LetterQ  ▪ UpperCaseQ  ▪ LowerCaseQ
Character Encoding
CharacterEncoding specify a character encoding ("ANSI", "UTF8", "ShiftJIS", ...)
$CharacterEncoding list of installed character encodings on a computer system
ToString, ToExpression convert between arbitrary expressions and strings