isAlNum
Syntax
isAlNum(X)
Arguments
X is a CHAR/STRING/SYMBOL scalar, vector, or table.
Details
Return "true" if all characters in string X are alphanumeric (either alphabets or numbers).
If X is a table, the function is applied only to columns of character types (CHAR, STRING, or SYMBOL). Other column types are ignored.
Examples
isAlNum("123456");
// output: true
isAlNum("1And1");
// output: true
isAlNum("10.05");
// output: false
isAlNum(string());
// output: false