isAlNum

isAlNum(X)

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.

X is a CHAR/STRING/SYMBOL scalar, vector, or table.

• When X is a scalar, a Boolean scalar is returned.
• When X is a vector, a Boolean vector is returned.
• When X is a table, a table is returned.

isAlNum("123456");
// output: true

isAlNum("1And1");
// output: true

isAlNum("10.05");
// output: false

isAlNum(string());
// output: false