---input---
{"special--key": 10b, normal_key: false, "json..///_type_key": "yup"}

---tokens---
'{'           Punctuation
'"'           Literal.String.Double
'special--key' Literal.String.Double
'"'           Literal.String.Double
':'           Punctuation
' '           Text.Whitespace
'10b'         Literal.Number.Integer
','           Punctuation
' '           Text.Whitespace
'normal_key'  Name.Attribute
':'           Punctuation
' '           Text.Whitespace
'false'       Name.Attribute
','           Punctuation
' '           Text.Whitespace
'"'           Literal.String.Double
'json..///_type_key' Literal.String.Double
'"'           Literal.String.Double
':'           Punctuation
' '           Text.Whitespace
'"'           Literal.String.Double
'yup'         Literal.String.Double
'"'           Literal.String.Double
'}'           Punctuation
'\n'          Text