let Regexp#match? be globally available

Regexp#match? should be considered to be part of the Ruby core library. We are
emulating it for < 2.4, but not having to require the extension is part of the
illusion of the emulation.

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -1,7 +1,6 @@
 require "active_support/core_ext/hash/slice"
 require "active_support/core_ext/enumerable"
 require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/regexp"
 require "action_dispatch/routing/redirection"
 require "action_dispatch/routing/endpoint"
 

actionview/lib/action_view/helpers/asset_tag_helper.rb

@@ -1,6 +1,5 @@
 require "active_support/core_ext/array/extract_options"
 require "active_support/core_ext/hash/keys"
-require "active_support/core_ext/regexp"
 require "action_view/helpers/asset_url_helper"
 require "action_view/helpers/tag_helper"
 

actionview/lib/action_view/helpers/asset_url_helper.rb

@@ -1,5 +1,4 @@
 require "zlib"
-require "active_support/core_ext/regexp"
 
 module ActionView
   # = Action View Asset URL Helpers

actionview/lib/action_view/helpers/translation_helper.rb

@@ -1,6 +1,5 @@
 require "action_view/helpers/tag_helper"
 require "active_support/core_ext/string/access"
-require "active_support/core_ext/regexp"
 require "i18n/exceptions"
 
 module ActionView

actionview/lib/action_view/helpers/url_helper.rb

@@ -2,7 +2,6 @@ require "action_view/helpers/javascript_helper"
 require "active_support/core_ext/array/access"
 require "active_support/core_ext/hash/keys"
 require "active_support/core_ext/string/output_safety"
-require "active_support/core_ext/regexp"
 
 module ActionView
   # = Action View URL Helpers

actionview/lib/action_view/layouts.rb

@@ -1,6 +1,5 @@
 require "action_view/rendering"
 require "active_support/core_ext/module/remove_method"
-require "active_support/core_ext/regexp"
 
 module ActionView
   # Layouts reverse the common pattern of including shared headers and footers in many templates to isolate changes in

actionview/lib/action_view/renderer/partial_renderer.rb

@@ -1,5 +1,4 @@
 require "concurrent/map"
-require "active_support/core_ext/regexp"
 require "action_view/renderer/partial_renderer/collection_caching"
 
 module ActionView

actionview/lib/action_view/template/error.rb

@@ -1,5 +1,4 @@
 require "active_support/core_ext/enumerable"
-require "active_support/core_ext/regexp"
 
 module ActionView
   # = Action View Errors

actionview/lib/action_view/template/handlers/erb.rb

@@ -1,5 +1,4 @@
 require "erubis"
-require "active_support/core_ext/regexp"
 
 module ActionView
   class Template

actionview/lib/action_view/testing/resolvers.rb

@@ -1,4 +1,3 @@
-require "active_support/core_ext/regexp"
 require "action_view/template/resolver"
 
 module ActionView #:nodoc:

actionview/test/actionpack/controller/layout_test.rb

@@ -1,6 +1,5 @@
 require "abstract_unit"
 require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/regexp"
 
 # The view_paths array must be set on Base and not LayoutTest so that LayoutTest's inherited
 # method has access to the view_paths array when looking for a layout to automatically assign.

activemodel/lib/active_model/attribute_methods.rb

@@ -1,6 +1,5 @@
 require "concurrent/map"
 require "mutex_m"
-require "active_support/core_ext/regexp"
 
 module ActiveModel
   # Raised when an attribute is not defined.

activemodel/lib/active_model/validations/format.rb

@@ -1,4 +1,3 @@
-require "active_support/core_ext/regexp"
 
 module ActiveModel
   module Validations

activemodel/test/validators/email_validator.rb

@@ -1,4 +1,3 @@
-require "active_support/core_ext/regexp"
 
 class EmailValidator < ActiveModel::EachValidator
   def validate_each(record, attribute, value)

activerecord/lib/active_record/coders/yaml_column.rb

@@ -1,5 +1,4 @@
 require "yaml"
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module Coders # :nodoc:

activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb

@@ -9,7 +9,6 @@ require "active_record/connection_adapters/mysql/schema_dumper"
 require "active_record/connection_adapters/mysql/type_metadata"
 
 require "active_support/core_ext/string/strip"
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module ConnectionAdapters

activerecord/lib/active_record/dynamic_matchers.rb

@@ -1,4 +1,3 @@
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module DynamicMatchers #:nodoc:

activerecord/lib/active_record/migration.rb

@@ -1,7 +1,6 @@
 require "set"
 require "zlib"
 require "active_support/core_ext/module/attribute_accessors"
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   class MigrationError < ActiveRecordError#:nodoc:

activerecord/lib/active_record/relation/delegation.rb

@@ -1,5 +1,4 @@
 require "active_support/concern"
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module Delegation # :nodoc:

activerecord/lib/active_record/relation/query_methods.rb

@@ -4,7 +4,6 @@ require "active_record/relation/where_clause"
 require "active_record/relation/where_clause_factory"
 require "active_model/forbidden_attributes_protection"
 require "active_support/core_ext/string/filters"
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module QueryMethods

activerecord/lib/active_record/sanitization.rb

@@ -1,4 +1,3 @@
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module Sanitization

activerecord/lib/rails/generators/active_record/migration/migration_generator.rb

@@ -1,5 +1,4 @@
 require "rails/generators/active_record"
-require "active_support/core_ext/regexp"
 
 module ActiveRecord
   module Generators # :nodoc:

activerecord/test/cases/associations/left_outer_join_association_test.rb

@@ -5,7 +5,6 @@ require "models/author"
 require "models/essay"
 require "models/categorization"
 require "models/person"
-require "active_support/core_ext/regexp"
 
 class LeftOuterJoinAssociationTest < ActiveRecord::TestCase
   fixtures :authors, :essays, :posts, :comments, :categorizations, :people

activerecord/test/cases/scoping/default_scoping_test.rb

@@ -5,7 +5,6 @@ require "models/developer"
 require "models/computer"
 require "models/vehicle"
 require "models/cat"
-require "active_support/core_ext/regexp"
 
 class DefaultScopingTest < ActiveRecord::TestCase
   fixtures :developers, :posts, :comments

activerecord/test/cases/test_case.rb

@@ -2,7 +2,6 @@ require "active_support/test_case"
 require "active_support/testing/autorun"
 require "active_support/testing/method_call_assertions"
 require "active_support/testing/stream"
-require "active_support/core_ext/regexp"
 require "active_record/fixtures"
 
 require "cases/validations_repair_helper"

activesupport/lib/active_support/rails.rb

@@ -25,3 +25,9 @@ require "active_support/core_ext/module/delegation"
 
 # Defines ActiveSupport::Deprecation.
 require "active_support/deprecation"
+
+# Defines Regexp#match?.
+#
+# This should be removed when Rails needs Ruby 2.4 or later, and the require
+# added where other Regexp extensions are being used (easy to grep).
+require "active_support/core_ext/regexp"