1 files changed, 33 insertions, 0 deletions
diff --git a/rubocop/cop/style/regexp_literal_mixed_preserve.rb b/rubocop/cop/style/regexp_literal_mixed_preserve.rb
new file mode 100644
index 00000000000..4dc38d82f45
--- /dev/null
+++ b/rubocop/cop/style/regexp_literal_mixed_preserve.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module Style
+      # This cop is based on `Style/RegexpLiteral` but adds a new
+      # `EnforcedStyle` option `mixed_preserve`.
+      #
+      # This cop will be removed once the upstream PR is merged and RuboCop upgraded.
+      #
+      # See https://github.com/rubocop/rubocop/pull/9688
+      class RegexpLiteralMixedPreserve < RuboCop::Cop::Style::RegexpLiteral
+        module Patch
+          private
+
+          def allowed_slash_literal?(node)
+            super || allowed_mixed_preserve?(node)
+          end
+
+          def allowed_percent_r_literal?(node)
+            super || allowed_mixed_preserve?(node)
+          end
+
+          def allowed_mixed_preserve?(node)
+            style == :mixed_preserve && !contains_disallowed_slash?(node)
+          end
+        end
+
+        prepend Patch
+      end
+    end
+  end
+end