israt()
israt()
Section titled “israt()”israt(<string>)
Returns 1 if <string> is a decimal number, and 0 otherwise. The number may have a leading + or - and spaces around it, and needs at least one digit, before or after an optional decimal point. Unlike isnum(), an exponent such as 1E20 and the words NaN, Inf and Ind are not decimal numbers.
This function comes from TinyMUX.
> think [israt(22223.0000)] [israt(+77)] [israt(1E20)]1 1 0::: seealso