---input---
fn main() {
    let raw_str = r"Escapes don't work

    here: \x3F \u{211D}";
    println!("{}", raw_str);

    // If you need quotes in a raw string, add a pair of #s
    let quotes = r#"And then I said:

    "There is no escape!""#;
    println!("{}", quotes);

    // If you need "# in your string, just use more #s in the delimiter.
    // There is no limit for the number of #s you can use.
    let longer_delimiter = r###"A string
    with "# in it. And even "##!"###;
    println!("{}", longer_delimiter);
}

---tokens---
'fn'          Keyword
' '           Text.Whitespace
'main'        Name.Function
'('           Punctuation
')'           Punctuation
' '           Text.Whitespace
'{'           Punctuation
'\n'          Text.Whitespace

'    '        Text.Whitespace
'let'         Keyword.Declaration
' '           Text.Whitespace
'raw_str'     Name
' '           Text.Whitespace
'='           Operator
' '           Text.Whitespace
'r"Escapes don\'t work\n\n    here: \\x3F \\u{211D}"' Literal.String
';'           Punctuation
'\n'          Text.Whitespace

'    '        Text.Whitespace
'println!'    Name.Function.Magic
'('           Punctuation
'"'           Literal.String
'{}'          Literal.String
'"'           Literal.String
','           Punctuation
' '           Text.Whitespace
'raw_str'     Name
')'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'\n'          Text.Whitespace

'    '        Text.Whitespace
'// If you need quotes in a raw string, add a pair of #s\n' Comment.Single

'    '        Text.Whitespace
'let'         Keyword.Declaration
' '           Text.Whitespace
'quotes'      Name
' '           Text.Whitespace
'='           Operator
' '           Text.Whitespace
'r#"And then I said:\n\n    "There is no escape!""#' Literal.String
';'           Punctuation
'\n'          Text.Whitespace

'    '        Text.Whitespace
'println!'    Name.Function.Magic
'('           Punctuation
'"'           Literal.String
'{}'          Literal.String
'"'           Literal.String
','           Punctuation
' '           Text.Whitespace
'quotes'      Name
')'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'\n'          Text.Whitespace

'    '        Text.Whitespace
'// If you need "# in your string, just use more #s in the delimiter.\n' Comment.Single

'    '        Text.Whitespace
'// There is no limit for the number of #s you can use.\n' Comment.Single

'    '        Text.Whitespace
'let'         Keyword.Declaration
' '           Text.Whitespace
'longer_delimiter' Name
' '           Text.Whitespace
'='           Operator
' '           Text.Whitespace
'r###"A string\n    with "# in it. And even "##!"###' Literal.String
';'           Punctuation
'\n'          Text.Whitespace

'    '        Text.Whitespace
'println!'    Name.Function.Magic
'('           Punctuation
'"'           Literal.String
'{}'          Literal.String
'"'           Literal.String
','           Punctuation
' '           Text.Whitespace
'longer_delimiter' Name
')'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'}'           Punctuation
'\n'          Text.Whitespace