Issue #114 has been updated by shyouhei (Shyouhei Urabe).

Description updated
ruby -v changed from ruby 1.8.8dev (2010-09-24 revision 27061) [x86_64-linux] to ruby 1.8.8dev (2012-04-14 revision 27061) [x86_64-linux]

?????????????????
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Bug #114: /abc\A?/.match("")
https://bugs.ruby-lang.org/issues/114#change-26372

Author: Anonymous
Status: Assigned
Priority: Low
Assignee: matz (Yukihiro Matsumoto)
Category: core
Target version: 
ruby -v: ruby 1.8.8dev (2012-04-14 revision 27061) [x86_64-linux]


=begin
 以???????????空?????????対??? /abc\A?/ ????????????????????
 /(?:a)bc\A?/ ???????????????????????
 
 a ??? (?:a) ????????????????????????????????????????????????????????????????
 
 % ./ruby -ve 'p(/abc\A?/.match(""))'      
 ruby 1.8.7 (2008-06-08 patchlevel 5000) [i686-linux]
 #<MatchData "">
 
 % ./ruby -ve 'p(/(?:a)bc\A?/.match(""))'
 ruby 1.8.7 (2008-06-08 patchlevel 5000) [i686-linux]
 nil
 -- 
 [??中 ???][??????? ?????????][Tanaka Akira]
=end



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