@VLAZ A normalized version,
{{'18885137480', '8885137480'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 1 888 513 7480
to determine which entries on the number lists match that pattern, which would tell you: Matched by
18885137480
on
line 4269 of blacklisted_numbers.txt: 18885137480 found normalized; 8885137480 found normalized