LetterQ

Usage

• LetterQ[string] yields True if all the characters in the string are letters, and yields False otherwise.

Notes

• LetterQ[string] by default gives False if string contains any space or punctuation characters.

• LetterQ handles both ordinary and special characters.

• LetterQ treats as letters all special characters explicitly listed as letters in the table in Section A.12.1.

• In general, LetterQ treats as letters all characters that appear as ordinary text in any language.

• LetterQ treats as letters such special characters as

and

• LetterQ does not treat as letters

(\[EmptySet]),

(\[HBar]),

(\[Angstrom]) or

(\[Sum]).

• New in Version 2; modified in 3.