From: Albert Schlef <albertschlef@...>
Date: 2010-01-27T06:46:44+09:00
Subject: Re: Why does Regexp::escape backslash spaces?!?

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+)/
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