@Makyen A normalized version,
{{'7624821974'}}
, of that pattern is already on the number watchlist and the pattern you provided is not an exact match to an existing entry on the number watchlist. You can use
!!/bisect-number 7624821974(?#no noram)
to determine which entries on the number lists match that pattern, which would tell you: Matched by
7624821974(?#NO NorAm)
on
line 4278 of watched_numbers.txt: 7624821974 found verbatim