0b0001 0o754 0xBadFace 42 3.14159 2.1E10 0.3e-7 4.8e+1 42j ---------------------------------------------------- [ ["number", "0b0001"], ["number", "0o754"], ["number", "0xBadFace"], ["number", "42"], ["number", "3.14159"], ["number", "2.1E10"], ["number", "0.3e-7"], ["number", "4.8e+1"], ["number", "42j"] ] ---------------------------------------------------- Checks for hexadecimal, octal, binary and decimal numbers.