42 3.14159 5ul 0.75f 4e10 2.1e-10 0.4e+2 0xbabe 0xBABE ---------------------------------------------------- [ ["number", "42"], ["number", "3.14159"], ["number", "5ul"], ["number", "0.75f"], ["number", "4e10"], ["number", "2.1e-10"], ["number", "0.4e+2"], ["number", "0xbabe"], ["number", "0xBABE"] ] ---------------------------------------------------- Checks for decimal numbers and hexadecimal numbers.