Index: lib/minitest/unit.rb
===================================================================
--- lib/minitest/unit.rb	(revision 20840)
+++ lib/minitest/unit.rb	(working copy)
@@ -116,10 +116,8 @@
     end
 
     def assert_match exp, act, msg = nil
-      msg = message(msg) { "Expected #{mu_pp(act)} to match #{mu_pp(exp)}" }
-      assert_respond_to act, :"=~"
-      (exp = /#{Regexp.escape(exp)}/) if String === exp && String === act
-      assert act =~ exp, msg
+      msg = message(msg) { "Expected #{mu_pp(exp)} to match #{mu_pp(act)}" }
+      assert Regexp.new(exp) === act, msg
     end
 
     def assert_nil obj, msg = nil
@@ -280,8 +278,8 @@
     end
 
     def refute_match exp, act, msg = nil
-      msg = message(msg) { "Expected #{mu_pp(act)} to not match #{mu_pp(exp)}" }
-      refute act =~ exp, msg
+      msg = message(msg) { "Expected #{mu_pp(exp)} to not match #{mu_pp(act)}" }
+      refute Regexp.new(exp) === act, msg
     end
 
     def refute_nil obj, msg = nil
Index: test/minitest/test_mini_test.rb
===================================================================
--- test/minitest/test_mini_test.rb	(revision 20840)
+++ test/minitest/test_mini_test.rb	(working copy)
@@ -464,14 +464,14 @@
   end
 
   def test_assert_match
-    @assertion_count = 2
-    @tc.assert_match "blah blah blah", /\w+/
+    @assertion_count = 1
+    @tc.assert_match /\w+/, "blah blah blah"
   end
 
   def test_assert_match_triggered
-    @assertion_count = 2
+    @assertion_count = 1
     util_assert_triggered 'Expected /\d+/ to match "blah blah blah".' do
-      @tc.assert_match "blah blah blah", /\d+/
+      @tc.assert_match /\d+/, "blah blah blah"
     end
   end
 
@@ -795,12 +795,12 @@
   end
 
   def test_refute_match
-    @tc.refute_match "blah blah blah", /\d+/
+    @tc.refute_match /\d+/, "blah blah blah"
   end
 
   def test_refute_match_triggered
     util_assert_triggered 'Expected /\w+/ to not match "blah blah blah".' do
-      @tc.refute_match "blah blah blah", /\w+/
+      @tc.refute_match /\w+/, "blah blah blah"
     end
   end