From: Marnen Laibow-Koser <marnen@...>
Date: 2010-01-27T06:53:20+09:00
Subject: Re: Why does Regexp::escape backslash spaces?!?

Albert Schlef wrote:
> Marnen Laibow-Koser wrote:
>> irb(main):001:0> Regexp::escape('a b')
>> => "a\\ b"
>> 
>> Why?  This doesn't seem to make any sense.  Is it a bug?
> 
> 
> Maybe spaces are escaped so the resulting string be compatible with an 
> "extended" pattern, where non-escaped spaces are ignored:
> 
>   / (\w+) \s (\w+) /x
> 
> is the same as:
> 
>   /(\w+)\s(\w+)/

Good point.  And anyway, it causes no problems: when I first posted, I 
thought it did, but those problems actually came from elsewhere.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
-- 
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