NAME
IsNonNumeric — Tell whether the input is not a numeric value.
SYNOPSIS
IsNonNumeric StringValue
DESCRIPTION
Return Value
1 Input is non-numeric.
0 Input is numeric.
Arguments
StringValueString value to check.
More Info
Determines whether value is non-numeric by checking if it is empty or it is not an integer, double, wide integer, or entier. Roughly speaking, if IsNonNumeric returns true then probably would not be able to use that value with expr, though there are exceptions (see documentation for expr).

For information regarding exceptions / errors, see here.
EXAMPLES
% IsNonNumeric asdf
1
% IsNonNumeric 123
0
SEE ALSO
IsNumeric
KEYWORDS
check, math, validation, verification