---input---
0 5L 9__542_72l 0xbEEf 0X9_A 0_35 01 0b0___101_0 0. .7_17F 3e-1_3d 1f 6_01.9e+3 0x.1Fp3 0XEP8D

---tokens---
'0'           Literal.Number.Integer
' '           Text
'5L'          Literal.Number.Integer
' '           Text
'9__542_72l'  Literal.Number.Integer
' '           Text
'0xbEEf'      Literal.Number.Hex
' '           Text
'0X9_A'       Literal.Number.Hex
' '           Text
'0_35'        Literal.Number.Oct
' '           Text
'01'          Literal.Number.Oct
' '           Text
'0b0___101_0' Literal.Number.Bin
' '           Text
'0.'          Literal.Number.Float
' '           Text
'.7_17F'      Literal.Number.Float
' '           Text
'3e-1_3d'     Literal.Number.Float
' '           Text
'1f'          Literal.Number.Float
' '           Text
'6_01.9e+3'   Literal.Number.Float
' '           Text
'0x.1Fp3'     Literal.Number.Float
' '           Text
'0XEP8D'      Literal.Number.Float
'\n'          Text
