From: James Edward Gray II <james@...>
Date: 2007-02-22T03:45:07+09:00
Subject: Re: Weird behaviour escaping special characters in a string

On Feb 21, 2007, at 12:36 PM, Austin Ziegler wrote:

> On 2/21/07, Greg Hurrell <greg.hurrell@gmail.com> wrote:
>> This instance method added to the String class returns a copy of the
>> receiver with occurrences of \ replaced with \\, and occurrences of '
>> replaced with \':
>>
>> class String
>>   def to_source_string
>>     gsub(/(\\|')/, '\\\\\1')
>>   end
>> end
>
>  class String
>    def to_source_string
>      gsub(/(\\|')/) { "\\#$1" }
>    end
>  end

It's probably better to use a character class [\\'] instead of  
alternation (\\|').

James Edward Gray II