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Tests if a character string contains only letters and digits.




string a character string or an expression that evaluates to a character string

Return Value

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


This function tests if a particular character string is alphanumeric.



Evaluates to $True.

$isalphanumeric(“abc “)

Evaluates to $False.

See Also









Character Literals

Functional Expressions

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