@CodyGray A normalized version,
{{'19892640381', '9892640381'}}
, of that pattern is already on the number watchlist. You can use
!!/bisect-number +19892640381
to determine which entries on the number lists match that pattern, which would tell you: Matched by
+19892640381
on
line 3347 of watched_numbers.txt: +19892640381 found verbatim