# Xapian uses '..' but '-' is perhaps friendier to URL linkifiers
# if only $after exists "YYYYMMDD.." because "." could be skipped
# if interpreted as an end-of-sentence
- $t =~ s/\A(\d{8,14})-// and $after = str2ts($1);
- $t =~ /\A(\d{8,14})\z/ and $before = str2ts($1);
+ $t =~ s/\A([0-9]{8,14})-// and $after = str2ts($1);
+ $t =~ /\A([0-9]{8,14})\z/ and $before = str2ts($1);
my $ibx = $ctx->{-inbox};
my $msgs = $ibx->recent($opts, $after, $before);