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Update regex.rs to not split words on combining marks and diacritics #4

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Update regex.rs to not split words on combining marks and diacritics #4

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4 changes: 3 additions & 1 deletion src/regex.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@ pub const GPT2_SPLIT_PATTERN: &str =

pub const GPT4_SPLIT_PATTERN: &str = r"'(?i:[sdmt]|ll|ve|re)|[^\r\n\p{L}\p{N}]?+\p{L}+|\p{N}{1,3}| ?[^\s\p{L}\p{N}]++[\r\n]*|\s*[\r\n]|\s+(?!\S)|\s+";

pub const UNICODE_SPLIT_PATTERN: &str = r"'(?i:[sdmt]|ll|ve|re)|[^\r\n\p{L}\p{N}]?+[\p{L}\p{M}]+|\p{N}{1,3}| ?[^\s\p{L}\p{M}\p{N}]++[\r\n]*|\s*[\r\n]|\s+(?!\S)|\s+";

/// Specifies how to handle special tokens during encoding.
///
/// This enum is used to control the behavior of the `encode_special` function
Expand Down Expand Up @@ -272,7 +274,7 @@ pub struct RegexTokenizerStruct {

impl Default for RegexTokenizerStruct {
fn default() -> Self {
Self::new(GPT4_SPLIT_PATTERN.to_string())
Self::new(UNICODE_SPLIT_PATTERN.to_string())
}
}

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