Hi Alan,

Thanks for the report. Please file a ticket: http://www.macruby.org/trac/newticket

Do you happen to know if a ruby library makes use of this? It can help us screen the priority of this bug.

Thanks :)
Laurent

On Dec 21, 2010, at 2:01 PM, Alan Skipp wrote:

When combining negative look-ahead with look-behind in a regexp, macruby doesn't match correctly. Here's an example.

ruby 1.9.2
m = "abc123abc".match /(?<=\w) (\d{3}) (?!\d)/x
=> #<MatchData "123" 1:"123">
m.to_s
=> "123"


macruby (0.9)
m = "abc123abc".match /(?<=\w) (\d{3}) (?!\d)/x
=> #<MatchData "" 1:"123">
m.to_s
=> ""


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