Merge branch 'charclass'

* charclass: (24 commits)
  www: require ASCII word characters for CSS filenames
  www: require ASCII range for mbox downloads
  githttpbackend: require ASCII in path
  require ASCII digits for local FS items
  www: require ASCII digit for git epoch
  solver|viewdiff: restrict digit matches to ASCII
  inbox: require ASCII digits for feedmax var
  filter/rubylang: require ASCII digit for mailcount
  msgtime: require ASCII digits for parsing dates
  searchview: do not allow non-ASCII offsets and limits
  githttpbackend: require Range:, Status: to be ASCII digits
  view: require YYYYmmDD(HHMMSS) timestamps to be ASCII
  newswww: only accept ASCII digits as article numbers
  config: do not accept non-ASCII digits in cgitrc params
  www: require ASCII filenames in git blob downloads
  www: only emit ASCII chars in attachment filenames
  wwwattach: only pass the charset through if ASCII
  wwwlisting: require ASCII digit for port number
  http: require SERVER_PORT to be ASCII digit
  feed: only accept ASCII digits for ref~$N
  ...

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index c054a874..9903f427 100644
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -144,7 +144,7 @@ sub _xdb ($) {
         my $qpf = \($self->{qp_flags} ||= $QP_FLAGS);
         if ($self->{version} >= 2) {
                 foreach my $part (<$dir/*>) {
-                        -d $part && $part =~ m!/\d+\z! or next;
+                        -d $part && $part =~ m!/[0-9]+\z! or next;
                         my $sub = Search::Xapian::Database->new($part);
                         if ($xdb) {
                                 $xdb->add_database($sub);