alpha-char-p (Function)

Syntax:

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)