---input---
.1e12 .1e+34 .1e-56 .1e12f

---tokens---
'.1e12'       Literal.Number.Float
' '           Text
'.1e+34'      Literal.Number.Float
' '           Text
'.1e-56'      Literal.Number.Float
' '           Text
'.1e12f'      Literal.Number.Float
'\n'          Text
