NAME
IsNumeric — Tell whether the input is a numeric value.
SYNOPSIS
IsNumeric StringValue
DESCRIPTION
Return Value
1 Input is numeric.
0 Input is non-numeric.
Arguments
StringValueString value to check.
More Info
Determines whether value is numeric by checking if it is not empty and if it is an integer, double, wide integer, or entier. This means strings like 0x10 (hexidecimal) will pass and also strings like 010 (octal) will pass. Roughly speaking, if IsNumeric returns true then should be able to use the input value as input to expr.

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