Backward reference fails in some cases

2013-10-10 Fir de Conversatie Ryuichi Hayashida
Hello. I would report a bug of regexp. * Problem aba =~# '^\(.\+\).*\1$' This expression is equivalent to 1 when 'regexpengine' is set to 1. However, when it is set to 0 or 2, the expression is equivalent to 0. Backward reference seems to fail. Note that below expression gets 1 whatever

Re: Backward reference fails in some cases

2013-10-10 Fir de Conversatie Bram Moolenaar
Ryuichi Hayashida wrote: Hello. I would report a bug of regexp. * Problem aba =~# '^\(.\+\).*\1$' This expression is equivalent to 1 when 'regexpengine' is set to 1. However, when it is set to 0 or 2, the expression is equivalent to 0. Backward reference seems to fail. Note