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 the value of 'regexpengine' is.
"aa" =~# '^\(.\+\).*\1$'
* Environment
- Vim 7.4-45
- Ubuntu 12.04
Regards,
Hayashida Ryuichi
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