fix: digits pre-tokenizer returning empty array for text with no digits #51
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Description:
This PR addresses a regex issue that caused the
DigitsPretokenizer
to behave unpredictably, returning an empty array for all inputs—whether they contained digits, lacked digits, or consisted solely of digits. The intended behavior is for theDigitsPretokenizer
to return text without digits as-is and split digits into individual parts. This fix ensures theDigitsPretokenizer
now functions as expected.