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Member of the membership class.

Syntax

c = isletter(a)

Description

Determines whether characters in a string are letters of the alphabet.

Examples

Inputs

Name	Description
a	Specifies a string.

Outputs

Name	Description
c	Returns a matrix of Boolean values. An element in c is 1 if and only if the corresponding character of a is a lowercase or uppercase letter of the alphabet. Otherwise, the element is 0. c is a matrix of the same size as the number of characters in a.

Examples

C = isletter('abd?PW5^&888')

C = isletter('TEST')

Related Topics

isscalar
isspace
isstr