@VLAZ A normalized version,
{{'8887423076', '18887423076'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 1888 7423076
to determine which entries on the number lists match that pattern, which would tell you: Matched by
+1(888) 742–3076
on
line 3768 of blacklisted_numbers.txt: 18887423076 found normalized