summaryrefslogtreecommitdiff
path: root/lib/cgi
diff options
context:
space:
mode:
Diffstat (limited to 'lib/cgi')
-rw-r--r--lib/cgi/cookie.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/cgi/cookie.rb b/lib/cgi/cookie.rb
index 1a9c1a82c1..9498e2f9fa 100644
--- a/lib/cgi/cookie.rb
+++ b/lib/cgi/cookie.rb
@@ -42,7 +42,7 @@ class CGI
TOKEN_RE = %r"\A[[!-~]&&[^()<>@,;:\\\"/?=\[\]{}]]+\z"
PATH_VALUE_RE = %r"\A[[ -~]&&[^;]]*\z"
- DOMAIN_VALUE_RE = %r"\A(?<label>(?!-)[-A-Za-z0-9]+(?<!-))(?:\.\g<label>)*\z"
+ DOMAIN_VALUE_RE = %r"\A\.?(?<label>(?!-)[-A-Za-z0-9]+(?<!-))(?:\.\g<label>)*\z"
# Create a new CGI::Cookie object.
#