From 0196551e6039ca864d1eee1e01819fcae12c1dc9 Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Mon, 29 Jul 2019 14:23:10 +0900
Subject: Use match? where we don't need MatchData

---
 guides/rails_guides/kindle.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'guides/rails_guides/kindle.rb')

diff --git a/guides/rails_guides/kindle.rb b/guides/rails_guides/kindle.rb
index 8a0361ff4c..fc8e6b97e6 100644
--- a/guides/rails_guides/kindle.rb
+++ b/guides/rails_guides/kindle.rb
@@ -36,7 +36,7 @@ module Kindle
     frontmatter = []
     html_pages.delete_if { |x|
       if /(toc|welcome|copyright).html/.match?(x)
-        frontmatter << x unless x =~ /toc/
+        frontmatter << x unless /toc/.match?(x)
         true
       end
     }
-- 
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