@Cow A normalized version,
{{'6003375509'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 6003-375-509(?# no noram)
to determine which entries on the number lists match that pattern, which would tell you: Matched by
6003375509(?# no noram)
on
line 3354 of blacklisted_numbers.txt: 6003375509 found normalized