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alpha-char-p

alpha-char-p Function

Syntax:

alpha-char-p character → generalized-boolean

Arguments and Values:

character—a character .

generalized-boolean—a generalized boolean.

Description:

Returns true if character is an alphabetic1 character ; otherwise, returns false.

Examples:

(alpha-char-p #\a) → true 
(alpha-char-p #\5) → false
(alpha-char-p #\Newline) → false
;; This next example presupposes an implementation
;; in which #\*α* is a defined character.
(alpha-char-p #\*α*) → implementation-dependent

Affected By:

None. (In particular, the results of this predicate are independent of any special syntax which might have been enabled in the current readtable.)

Exceptional Situations:

Should signal an error of type type-error if character is not a character .

See Also:

alphanumericp, Section 13.1.10 (Documentation of Implementation-Defined Scripts)

Expanded Reference: alpha-char-p

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(alpha-char-p )