Merge pull request #1373 from olleolleolle/host-using-index-instead-of-regex

Avoid regex in Request#host

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/rack/request.rb b/lib/rack/request.rb
index f999cd4a..951fe8cb 100644
--- a/lib/rack/request.rb
+++ b/lib/rack/request.rb
@@ -243,7 +243,12 @@ module Rack
 
       def host
         # Remove port number.
-        host_with_port.to_s.sub(/:\d+\z/, '')
+        h = host_with_port
+        if colon_index = h.index(":")
+          h[0, colon_index]
+        else
+          h
+        end
       end
 
       def port