---input--- 123 -11 0 -0 0.5 .5 1. -0.5 +0.5 -.5 -1. 2e1 -2e1 2e -2e +2e e.3 -e.3 11.2e-3 -11.2e-3 5_6 5__6 _5 6_ 5.6_7 5.67_ ---tokens--- '123' Literal.Number.Float ' ' Text '-' Operator '11' Literal.Number.Float ' ' Text '0' Literal.Number.Float ' ' Text '-' Operator '0' Literal.Number.Float ' ' Text '0.5' Literal.Number.Float ' ' Text '.' Operator '5' Literal.Number.Float ' ' Text '1.' Literal.Number.Float ' ' Text '-' Operator '0.5' Literal.Number.Float ' ' Text '+' Operator '0.5' Literal.Number.Float ' ' Text '-' Operator '.' Operator '5' Literal.Number.Float ' ' Text '-' Operator '1.' Literal.Number.Float ' ' Text '2e1' Literal.Number.Float ' ' Text '-' Operator '2e1' Literal.Number.Float ' ' Text '2' Literal.Number.Float 'e' Name ' ' Text '-' Operator '2' Literal.Number.Float 'e' Name ' ' Text '+' Operator '2' Literal.Number.Float 'e' Name ' ' Text 'e' Name '.' Operator '3' Literal.Number.Float ' ' Text '-' Operator 'e' Name '.' Operator '3' Literal.Number.Float ' ' Text '11.2e-3' Literal.Number.Float ' ' Text '-' Operator '11.2e-3' Literal.Number.Float ' ' Text '5' Literal.Number.Float '_6' Name ' ' Text '5' Literal.Number.Float '__6' Name ' ' Text '_5' Name ' ' Text '6' Literal.Number.Float '_' Name ' ' Text '5.6' Literal.Number.Float '_7' Name ' ' Text '5.67' Literal.Number.Float '_' Name '\n' Text.Whitespace