scripts: require ASCII digits in a few places

I haven't touched most these scripts in ages, but we might as well
purge \d usage from here, as well.

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/xhdr-num2mid b/scripts/xhdr-num2mid
index 6f839c55..f119ec4f 100755
--- a/scripts/xhdr-num2mid
+++ b/scripts/xhdr-num2mid
@@ -23,7 +23,7 @@ my ($num, $first, $last) = $nntp->group($group);
 die "Invalid group\n" if !(defined $num && defined $first && defined $last);
 my $arg_first = shift;
 if (defined $arg_first) {
-        $arg_first =~ /\A\d+\z/ or die $usage;
+        $arg_first =~ /\A[0-9]+\z/ or die $usage;
         $first = $arg_first;
 } elsif ($mm) {
         my $last_article = $mm->meta_accessor('last_article');