Fix RSpec/MatchWithSimpleRegex to ignore match nested inside include matchers

Author: ydah

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Fix false positives for `RSpec/SpecFilePathFormat` when matching spec partials. ([@ydah])
 - Fix incorrect autocorrection for `RSpec/DescribedClass` when using nested example groups with `EnforcedStyle: explicit`. ([@ydah])
+- Fix `RSpec/MatchWithSimpleRegex` to ignore `match` nested inside `include` matchers. ([@ydah])
 
 ## 3.10.2 (2026-06-06)
 

lib/rubocop/cop/rspec/match_with_simple_regex.rb

@@ -39,6 +39,8 @@ class MatchWithSimpleRegex < Base
         PATTERN
 
         def on_send(node)
+          return if include_matcher_argument?(node)
+
           match_with_regexp?(node) do |regexp|
             next unless simple_regexp?(regexp)
 
@@ -53,6 +55,13 @@ def on_send(node)
 
         private
 
+        def include_matcher_argument?(node)
+          parent = node.parent
+
+          parent&.send_type? && parent.receiver.nil? &&
+            parent.method?(:include) && parent.arguments.include?(node)
+        end
+
         def simple_regexp?(node)
           return false if node.interpolation?
           return false if node.regopt.children.any?

spec/rubocop/cop/rspec/match_with_simple_regex_spec.rb

@@ -48,6 +48,14 @@
     RUBY
   end
 
+  it 'does not register an offense when using match within an ' \
+     'include matcher' do
+    expect_no_offenses(<<~RUBY)
+      expect(errors).to include(match(/message/))
+      expect(errors).to include(match(/message/), match(/warning/))
+    RUBY
+  end
+
   it 'does not register an offense when using match with anchor at start' do
     expect_no_offenses(<<~RUBY)
       expect('foobar').to match(/^foo/)