[PATCH 5/5] response: simplify regexp

[Eric Wong <e@80x24.org>]

Redundant \z statements are ugly and wastes 4 bytes on x86-64
according to ObjectSpace.memsize_of
---
 lib/rainbows/response.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rainbows/response.rb b/lib/rainbows/response.rb
index ac50321..62dfa39 100644
--- a/lib/rainbows/response.rb
+++ b/lib/rainbows/response.rb
@@ -30,7 +30,7 @@ def write_headers(status, headers, alive, body)
           "Date: #{httpdate}\r\n"
     headers.each do |key, value|
       case key
-      when %r{\A(?:Date\z|Connection\z)}i
+      when %r{\A(?:Date|Connection)\z}i
         next
       when "rack.hijack"
         # this was an illegal key in Rack < 1.5, so it should be
-- 
EW