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-rw-r--r--actionpack/lib/action_controller/metal/redirecting.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/redirecting.rb b/actionpack/lib/action_controller/metal/redirecting.rb
index f07b19c5da..ab14a61b97 100644
--- a/actionpack/lib/action_controller/metal/redirecting.rb
+++ b/actionpack/lib/action_controller/metal/redirecting.rb
@@ -78,7 +78,7 @@ module ActionController
# characters; and is terminated by a colon (":").
# See http://tools.ietf.org/html/rfc3986#section-3.1
# The protocol relative scheme starts with a double slash "//".
- when %r{\A(\w[\w+.-]*:|//).*}
+ when /\A([a-z][a-z\d\-+\.]*:|\/\/).*/i
options
when String
request.protocol + request.host_with_port + options