42 3.14159 2.1e4 1.0e-1 3.8e+24 $7aff &17 %11110101 ---------------------------------------------------- [ ["number", "42"], ["number", "3.14159"], ["number", "2.1e4"], ["number", "1.0e-1"], ["number", "3.8e+24"], ["number", "$7aff"], ["number", "&17"], ["number", "%11110101"] ] ---------------------------------------------------- Checks for decimal, hexadecimal, octal and binary numbers.