@ ProgramNode (location: (0...25))
├── locals: []
└── statements:
    @ StatementsNode (location: (0...25))
    └── body: (length: 2)
        ├── @ RegularExpressionNode (location: (0...15))
        │   ├── opening_loc: (0...1) = "/"
        │   ├── content_loc: (1...14) = "\\u{c0de babe}"
        │   ├── closing_loc: (14...15) = "/"
        │   ├── unescaped: "샞몾"
        │   └── flags: ∅
        └── @ RegularExpressionNode (location: (17...25))
            ├── opening_loc: (17...18) = "/"
            ├── content_loc: (18...24) = "\\u{df}"
            ├── closing_loc: (24...25) = "/"
            ├── unescaped: "ß"
            └── flags: ∅
