@VLAZ A normalized version,
{{'8883726486', '18883726486'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 18883726486
to determine which entries on the number lists match that pattern, which would tell you: Matched by
+1-888-372-6486
on
line 3769 of blacklisted_numbers.txt: 18883726486 found normalized