switch to regex::Regex #22
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tmm1
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Nov 9, 2024
Based on openai#331 Uses Regex in _encode_ordinary_native instead of fancy-regex, to get a 6x speedup. To make the regex patterns compatible with Regex, drops part of thpatterns for whitespaces, and handles the whitespaces with scripting instead of regex. Still with exact same output. _encode_native calls _encode_ordinary_native_impl directly (_encode_ordinary_native is a wrapper of _encode_ordinary_native now).
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based on https://github.com/openai/tiktoken/pull/331/files
closes #21