@JeffSchaller A normalized version,
{{'919876706621'}}
, of that pattern is already on the number watchlist. You can use
!!/bisect-number +91-9876706621
to determine which entries on the number lists match that pattern, which would tell you: Matched by
+91-9876706621
on
line 578 of watched_numbers.txt: +91-9876706621 found verbatim