@Cow A normalized version,
{{'11188811305115887'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 11188811305115887
to determine which entries on the number lists match that pattern, which would tell you: Matched by
11188811305115887
on
line 3637 of blacklisted_numbers.txt: 11188811305115887 found verbatim