Guardfile in rapid-rack-0.2.0 vs Guardfile in rapid-rack-0.3.0

@@ -2,15 +2,15 @@
   watch('Gemfile')
   watch(/^.+\.gemspec/)
 end
 
 guard :rspec, cmd: 'bundle exec rspec' do
-  watch(/^spec\/.+_spec\.rb$/)
-  watch(/^lib\/(.+)\.rb$/) { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch(%r{^spec/.+_spec\.rb$})
+  watch(%r{^lib/(.+)\.rb$}) { |m| "spec/lib/#{m[1]}_spec.rb" }
   watch(%r{^spec/(dummy|support)/.+\.rb}) { 'spec' }
   watch('spec/spec_helper.rb') { 'spec' }
 end
 
 guard :rubocop do
   watch(/.+\.rb$/)
-  watch(/(?:.+\/)?\.rubocop\.yml$/) { |m| File.dirname(m[0]) }
+  watch(%r{(?:.+/)?\.rubocop\.yml$}) { |m| File.dirname(m[0]) }
 end