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http://bugs.exim.org/show_bug.cgi?id=1619 --- Comment #5 from Zoltan Herczeg <[email protected]> 2015-04-23 20:54:15 --- > I just tried this in node.js and it does match But the capturing brackets are different! This is what I explained. You can make this match with PCRE2_MATCH_UNSET_BACKREF in pcre2test: re> /(.*?)a(?!(a+)b\2c)\2(.*)/match_unset_backref data> baaabaac 0: baaabaac 1: ba 2: <unset> 3: abaac In Perl you get: 0: baaabaac 1: ba 2: a 3: baac This is what is different, and cannot be mimicked by JS or PCRE. -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
