Thanks Jon, Myron and Yuji for the response!

On Thursday, September 14, 2017 at 11:13:34 PM UTC-7, Yuji Nakayama wrote:
>
> Done: https://github.com/rspec/rspec-core/issues/2464 
>
> On Friday, September 15, 2017 at 14:49, Myron Marston wrote:
>
> The message lines include two parts:
>
>    - The english language parts (like "Failure/Error", and the failure 
>    message from the matcher)
>    - The extracted code snippet (the `TestClass.test_method` part).
>
> For the extracted code snippet, we use coderay to syntax highlight it if 
> that gem can be loaded.  For the english language part, RSpec applies the 
> color highlighting (but only when you call `colorized_message_lines`).
>
> We should probably fix `message_lines` so that it doesn't apply coderay to 
> the snippet, while `colorized_message_lines` should.  Can you open an issue 
> on rspec-core about this?
>
> Myron
>
> On Thu, Sep 14, 2017 at 10:06 PM, Dylan Reichstadt <[email protected] 
> <javascript:>> wrote:
>
> Hey All,
>
> I'm trying to export data from RSpec, including the failing lines of code. 
> In the FailedExampleNotification 
> <http://www.rubydoc.info/gems/rspec-core/RSpec/Core/Notifications/FailedExampleNotification>,
>  
> I noticed there were two methods:
>
>    - message_lines
>    - colorized_message_lines.
>    
> Despite the name differences, both of these methods look to return ANSI 
> color characters, with message_lines slightly less (see below). I was 
> expecting colorized_message_lines to do that, but not message_lines.
>
> Is there a public method that exposes this data without the ANSI? I'll 
> look to regex them out, but if there's another method that's more reliable, 
> I would love to know.
>
> Thanks!
>
> RSpec Version: 3.6.0
>
>
> notification.message_lines
> => ["Failure/Error: \e[0m\e[1;34;4mTestClass\e[0m.test_method",
>  "  expected to find css \"thisisatest\" but there were no matches"]
>
> notification.colorized_message_lines
> => ["\e[31mFailure/Error: \e[0m\e[1;34;4mTestClass\e[0m.test_method\e[0m",
>  "\e[31m  expected to find css \"gjiegeij\" but there were no 
> matches\e[0m"]
>
>
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