http://www.perlmonks.org?node_id=1045391


in reply to qr/STRING/ fails with certain lookbehind expressions

I do not know if this can help, but I do not get any error or warning message on Perl 5.14 under Cygwin.

$ perl -e'/(?<!ss)a/i'

Replies are listed 'Best First'.
Re^2: qr/STRING/ fails with certain lookbehind expressions
by vsespb (Chaplain) on Jul 19, 2013 at 19:29 UTC
    me neither, under linux.

    I am getting the error under perls 5.16.0 - 5.19.1