---input---
f'He said his name is {name!r}.'

---tokens---
'f'           Literal.String.Affix
"'"           Literal.String.Single
'He said his name is ' Literal.String.Single
'{'           Literal.String.Interpol
'name'        Name
'!r}'         Literal.String.Interpol
'.'           Literal.String.Single
"'"           Literal.String.Single
'\n'          Text.Whitespace