Long number stalls process.

[mollerhoj]

t = 'Rok bud.2027777983834843834843042003200220012000199919981997199619951994199319921991199019891988198042003200220012000199919981997199619951994199319921991199019891988198'
segmenter.segment(t)

Stalls. Apparently replace_periods_before_numeric_references takes forever.

[nipunsadvilkar]

Thanks for reporting. It was due to Catastrophic Backtracking in NUMBERED_REFERENCE_REGEX