@VLAZ A normalized version,
{{'18025518160', '8025518160'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 18025518160
to determine which entries on the number lists match that pattern, which would tell you: Matched by
18025518160
on
line 2468 of blacklisted_numbers.txt: 18025518160 found verbatim