isNumeric
Syntax
isNumeric(X)
Arguments
X is a STRING scalar or vector.
Details
Return true if all characters in the string are numbers. For STRING type NULLs, return false.
Examples
isNumeric("123456");
// output
true
isNumeric("1And1");
// output
false
isNumeric("10.05");
// output
false
isNumeric(string());
// output
false