regular expressions for updating ruby syntax (tested using sublime-text-3 replace function)

sublime_ruby_regexps.md

Just use https://github.com/yujinakayama/transpec

Hash

1. {:x => y} -> {x: y}

   Find	Replace	Comment
   :(\w+) =>	\1:

Rspec

1. foo.should -> expect(foo).to

   Find	Replace	Comment
   ^(\s*)(.*)\.should_	\1expect(\2).to
   to not_	to_not	# handle should not_ case

2. foo.stub(:bar) -> allow(foo).to receive(:bar)

   Find	Replace	Comment
   before \{\s(.*)\.stub\((.*)\)	before { allow(\1).to receive(\2)	# do before blocks first
   ^(^(?!.*(\#|before)))(\s*)(.*)\.stub\((.*)\)	\3allow(\4).to receive(\5)	# if before block or comment, skip

3. foo.stub_chain(:bar, :baz) -> allow(foo).to receive_message_chain(:bar, :baz)

   Find	Replace	Comment
   before\s\{\s(.*)\.stub_chain\((.*)\)	before { allow(\1).to receive_message_chain(\2)	# do before blocks first
   ^(^(?!.*(\#|before)))(\s*)(.*)\.stub_chain\((.*)\)	\3allow(\4).to receive_message_chain(\5)	# skip if comment