Updated/changed useless tr/gsubs

6 files changed, 8 insertions, 8 deletions

diff --git a/actionpack/lib/action_controller/metal/data_streaming.rb b/actionpack/lib/action_controller/metal/data_streaming.rb
index 30ddf6c16e..6f520b1054 100644
--- a/actionpack/lib/action_controller/metal/data_streaming.rb
+++ b/actionpack/lib/action_controller/metal/data_streaming.rb
@@ -132,7 +132,7 @@ module ActionController #:nodoc:
         else
           if !type_provided && options[:filename]
             # If type wasn't provided, try guessing from file extension.
-            content_type = Mime::Type.lookup_by_extension(File.extname(options[:filename]).downcase.tr('.','')) || content_type
+            content_type = Mime::Type.lookup_by_extension(File.extname(options[:filename]).downcase.delete('.')) || content_type
           end
           self.content_type = content_type
         end
diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index 44d2f740e6..87225d74c1 100644
--- a/actionpack/lib/action_controller/metal/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
@@ -229,7 +229,7 @@ module ActionController
       def decode_credentials(header)
         Hash[header.to_s.gsub(/^Digest\s+/,'').split(',').map do |pair|
           key, value = pair.split('=', 2)
-          [key.strip.to_sym, value.to_s.gsub(/^"|"$/,'').gsub(/'/, '')]
+          [key.strip.to_sym, value.to_s.gsub(/^"|"$/,'').delete('\'')]
         end]
       end
 
diff --git a/actionpack/lib/action_controller/metal/redirecting.rb b/actionpack/lib/action_controller/metal/redirecting.rb
index 3ffb7ef426..35ded8a56c 100644
--- a/actionpack/lib/action_controller/metal/redirecting.rb
+++ b/actionpack/lib/action_controller/metal/redirecting.rb
@@ -93,7 +93,7 @@ module ActionController
           _compute_redirect_to_location options.call
         else
           url_for(options)
-        end.gsub(/[\0\r\n]/, '')
+        end.delete("\0\r\n")
       end
   end
 end
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index fccbff1749..ba4cfb482d 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -244,7 +244,7 @@ module ActionDispatch
       end
 
       def self.normalize_name(name)
-        normalize_path(name)[1..-1].gsub("/", "_")
+        normalize_path(name)[1..-1].tr("/", "_")
       end
 
       module Base
@@ -441,7 +441,7 @@ module ActionDispatch
               app.railtie_name
             else
               class_name = app.class.is_a?(Class) ? app.name : app.class.name
-              ActiveSupport::Inflector.underscore(class_name).gsub("/", "_")
+              ActiveSupport::Inflector.underscore(class_name).tr("/", "_")
             end
           end
 
diff --git a/actionpack/lib/action_dispatch/testing/assertions/response.rb b/actionpack/lib/action_dispatch/testing/assertions/response.rb
index bea54f9778..7ac5f1d0e8 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/response.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/response.rb
@@ -83,7 +83,7 @@ module ActionDispatch
             refer
           else
             @controller.url_for(fragment)
-          end.gsub(/[\0\r\n]/, '')
+          end.delete("\0\r\n")
         end
     end
   end
diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
index 485a9357be..fc895fb7bc 100644
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ b/actionpack/lib/action_view/helpers/number_helper.rb
@@ -137,12 +137,12 @@ module ActionView
 
         begin
           value = number_with_precision(number, options.merge(:raise => true))
-          format.gsub(/%n/, value).gsub(/%u/, unit).html_safe
+          format.gsub('%n', value).gsub('%u', unit).html_safe
         rescue InvalidNumberError => e
           if options[:raise]
             raise
           else
-            formatted_number = format.gsub(/%n/, e.number).gsub(/%u/, unit)
+            formatted_number = format.gsub('%n', e.number).gsub('%u', unit)
             e.number.to_s.html_safe? ? formatted_number.html_safe : formatted_number
           end
         end