LetterNumber

LetterNumber["c"]

gives the position of the character c in the English alphabet.

LetterNumber["c",alpha]

gives the position of c in the alphabet specified by alpha.

LetterNumber["string",]

gives a list of the positions of characters in string.

Details

  • The character c can be either uppercase or lowercase.
  • An alphabet can be specified by the entity for a language or by its standard name.
  • If a character does not appear in the specified alphabet, LetterNumber gives 0.

Examples

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Basic Examples  (4)

The fourth letter in the English alphabet is d:

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LetterNumber works the same with uppercase letters:

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The third letter in the Greek alphabet is :

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Find the position of a letter in the Russian alphabet:

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Get positions of each of the letters in a string:

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Properties & Relations  (3)

Possible Issues  (2)

See Also

FromLetterNumber  ToCharacterCode  Alphabet  AlphabeticOrder  LanguageData  Characters  FromDigits

Introduced in 2015
(10.1)
| Updated in 2017
(11.1)