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\xadder

A C escape-sequence fragment (backslash + x, resembling a hex escape \x..).

Raw token

"\\xadder"

Observed behaviors

  • 01gpt-4o spells it out as “hexadecimal”.LessWrong
Observed or documented on
GPT (OpenAI)
Behavior types
Unspeakable
Tokenizer
o200k_base
Discovered by
Lennart Finke

References