@Ethan A normalized version,
{{'18448908582', '8448908582'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 18448908582
to determine which entries on the number lists match that pattern, which would tell you: Matched by
844-890-8582
on
line 656 of blacklisted_numbers.txt: 18448908582 found normalized