From 861b70e92f4a1fc0e465ffcf2ee62680519c8f6f Mon Sep 17 00:00:00 2001
From: Pablo Herrero <pablodherrero@gmail.com>
Date: Sat, 1 Nov 2014 20:16:03 -0300
Subject: Call gsub with a Regexp instead of a String for better performance

---
 actionpack/lib/action_controller/metal/live.rb        | 2 +-
 actionview/lib/action_view/helpers/tag_helper.rb      | 2 +-
 actionview/lib/action_view/template/handlers/raw.rb   | 2 +-
 activerecord/lib/active_record/sanitization.rb        | 2 +-
 activesupport/lib/active_support/inflector/methods.rb | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/actionpack/lib/action_controller/metal/live.rb b/actionpack/lib/action_controller/metal/live.rb
index c9ef3a3dad..1e13b3761f 100644
--- a/actionpack/lib/action_controller/metal/live.rb
+++ b/actionpack/lib/action_controller/metal/live.rb
@@ -102,7 +102,7 @@ module ActionController
             end
           end
 
-          message = json.gsub("\n", "\ndata: ")
+          message = json.gsub(/\n/, "\ndata: ")
           @stream.write "data: #{message}\n\n"
         end
     end
diff --git a/actionview/lib/action_view/helpers/tag_helper.rb b/actionview/lib/action_view/helpers/tag_helper.rb
index 385d57a7a5..b2038576a2 100644
--- a/actionview/lib/action_view/helpers/tag_helper.rb
+++ b/actionview/lib/action_view/helpers/tag_helper.rb
@@ -123,7 +123,7 @@ module ActionView
       #   cdata_section("hello]]>world")
       #   # => <![CDATA[hello]]]]><![CDATA[>world]]>
       def cdata_section(content)
-        splitted = content.to_s.gsub(']]>', ']]]]><![CDATA[>')
+        splitted = content.to_s.gsub(/\]\]\>/, ']]]]><![CDATA[>')
         "<![CDATA[#{splitted}]]>".html_safe
       end
 
diff --git a/actionview/lib/action_view/template/handlers/raw.rb b/actionview/lib/action_view/template/handlers/raw.rb
index 0c0d1fffcb..397c86014a 100644
--- a/actionview/lib/action_view/template/handlers/raw.rb
+++ b/actionview/lib/action_view/template/handlers/raw.rb
@@ -2,7 +2,7 @@ module ActionView
   module Template::Handlers
     class Raw
       def call(template)
-        escaped = template.source.gsub(':', '\:')
+        escaped = template.source.gsub(/:/, '\:')
 
         '%q:' + escaped + ':;'
       end
diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb
index ff70cbed0f..2c5cf944a4 100644
--- a/activerecord/lib/active_record/sanitization.rb
+++ b/activerecord/lib/active_record/sanitization.rb
@@ -134,7 +134,7 @@ module ActiveRecord
         raise_if_bind_arity_mismatch(statement, statement.count('?'), values.size)
         bound = values.dup
         c = connection
-        statement.gsub('?') do
+        statement.gsub(/\?/) do
           replace_bind_variable(bound.shift, c)
         end
       end
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 637736c5df..74b3a7c2a9 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -73,7 +73,7 @@ module ActiveSupport
         string = string.sub(/^(?:#{inflections.acronym_regex}(?=\b|[A-Z_])|\w)/) { $&.downcase }
       end
       string.gsub!(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{inflections.acronyms[$2] || $2.capitalize}" }
-      string.gsub!('/', '::')
+      string.gsub!(/\//, '::')
       string
     end
 
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