diff options
Diffstat (limited to 'lib/kernel/src/net_kernel.erl')
-rw-r--r-- | lib/kernel/src/net_kernel.erl | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl index a9dc77837e..4915193196 100644 --- a/lib/kernel/src/net_kernel.erl +++ b/lib/kernel/src/net_kernel.erl @@ -1433,7 +1433,7 @@ validate_hostname([$@|HostPart] = Host) -> end. valid_name_head(Head) -> - {ok, MP} = re:compile("^[0-9A-Za-z_\\-]*$", [unicode]), + {ok, MP} = re:compile("^[0-9A-Za-z_\\-]+$", [unicode]), case re:run(Head, MP) of {match, _} -> true; |