diff --git a/lib/method_source/code_helpers.rb b/lib/method_source/code_helpers.rb
index 6c1d53e..210100a 100644
--- a/lib/method_source/code_helpers.rb
+++ b/lib/method_source/code_helpers.rb
@@ -71,8 +71,8 @@ def complete_expression?(str)
         eval("BEGIN{throw :valid}\n#{str}")
       end
 
-      # Assert that a line which ends with a , or \ is incomplete.
-      str !~ /[,\\]\s*\z/
+      # Assert that a line which ends with a , or \ but not with $\ is incomplete.
+      str !~ /(?:,|[^\$]\\)\s*\z/
     rescue IncompleteExpression
       false
     ensure
diff --git a/test/test_code_helpers.rb b/test/test_code_helpers.rb
index ba83a63..7706630 100644
--- a/test/test_code_helpers.rb
+++ b/test/test_code_helpers.rb
@@ -38,4 +38,8 @@
       }.should.raise(SyntaxError)
     end
   end
+
+  it "should consider as complete lines ending with $\\" do
+    @tester.complete_expression?('$\\').should == true
+  end
 end