From: Matt Armstrong <matt+dated+1007508429.d0f87b@...>
Date: 2001-11-30T08:27:15+09:00
Subject: [ruby-talk:26996] Re: How to match '|' but not '\|'

"Ross Shaw" <rshaw1961@yahoo.com.au> writes:

> def test_string_split
>      actual = 'Split|me|up\|into|four'.split (/??????/)
>      expected = %w[Split  me  up\|into   four]
>      assert_equals(expected, actual)
> end

Simple, just use a zero-width negative look-behind assertion.  E.g.

    'Split|me|up\|into|four'.split(/(?<!\\)\|/)

Oh, wait, Perl has those but Ruby doesn't.  I wish Ruby had them.

    
-- 
matt