Consider regexp with options a non-simple regexp

Author: bquorning

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Master (Unreleased)
 
+- Fix `RSpec/MatchWithSimpleRegex` to ignore regular expressions with options. ([@bquorning])
+
 ## 3.10.1 (2026-06-05)
 
 - Add `Strict` option to `RSpec/SharedContext` to flag `shared_context` whenever it contains examples, even alongside setup code. ([@Darhazer])

lib/rubocop/cop/rspec/match_with_simple_regex.rb

@@ -55,6 +55,7 @@ def on_send(node)
 
         def simple_regexp?(node)
           return false if node.interpolation?
+          return false if node.regopt.children.any?
 
           parsed = Regexp::Parser.parse(node.content)
           parsed.expressions.all? { |expr| simple_expression?(expr) }

spec/rubocop/cop/rspec/match_with_simple_regex_spec.rb

@@ -90,6 +90,17 @@
     RUBY
   end
 
+  it 'does not register an offense when using match with regex options' do
+    expect_no_offenses(<<~RUBY)
+      expect('foobar').to match(/foo/x)
+      expect('foobar').to match(/foo/i)
+      expect('foobar').to match(/foo/m)
+      expect('foobar').to match(/foo/n)
+      expect('foobar').to match(/foo/u)
+      expect('foobar').to match(/foo/o)
+    RUBY
+  end
+
   it 'does not register an offense when using match with string ' \
      'instead of regex' do
     expect_no_offenses(<<~RUBY)