---input---
"#{wow}"
"w#{wow}w"
"#wow"
"wow#"
"w#ow"

'#{wow}'
'w#{wow}w'
'#wow'
'wow#'
'w#ow'

---tokens---
'"'           Literal.String.Double
'#{'          Literal.String.Interpol
'wow'         Name
'}'           Literal.String.Interpol
'"'           Literal.String.Double
'\n'          Text.Whitespace

'"'           Literal.String.Double
'w'           Literal.String
'#{'          Literal.String.Interpol
'wow'         Name
'}'           Literal.String.Interpol
'w'           Literal.String
'"'           Literal.String.Double
'\n'          Text.Whitespace

'"'           Literal.String.Double
'#'           Literal.String
'wow'         Literal.String
'"'           Literal.String.Double
'\n'          Text.Whitespace

'"'           Literal.String.Double
'wow'         Literal.String
'#'           Literal.String
'"'           Literal.String.Double
'\n'          Text.Whitespace

'"'           Literal.String.Double
'w'           Literal.String
'#'           Literal.String
'ow'          Literal.String
'"'           Literal.String.Double
'\n'          Text.Whitespace

'\n'          Text.Whitespace

"'"           Literal.String.Single
'#'           Literal.String
'{wow}'       Literal.String
"'"           Literal.String.Single
'\n'          Text.Whitespace

"'"           Literal.String.Single
'w'           Literal.String
'#'           Literal.String
'{wow}w'      Literal.String
"'"           Literal.String.Single
'\n'          Text.Whitespace

"'"           Literal.String.Single
'#'           Literal.String
'wow'         Literal.String
"'"           Literal.String.Single
'\n'          Text.Whitespace

"'"           Literal.String.Single
'wow'         Literal.String
'#'           Literal.String
"'"           Literal.String.Single
'\n'          Text.Whitespace

"'"           Literal.String.Single
'w'           Literal.String
'#'           Literal.String
'ow'          Literal.String
"'"           Literal.String.Single
'\n'          Text.Whitespace