Tests if a character string contains only letters and digits.

Syntax

$isalphanumeric(string)

Parameters

Return Value

1-character binary string. Evaluates to 1 ($True) if string meets the validation test; otherwise, evaluates to 0 ($False).

Comments

This function tests if a particular character string is alphanumeric.

Example

$isalphanumeric(“abc1”)

Evaluates to $True.

$isalphanumeric(“abc “)

Evaluates to $False.

See Also

$isalphabetic

$isdate

$isdigit

$isdigit

$isnumber

$isupper

$iszimname

$trim

Character Literals

Functional Expressions