On 2018-07-10 11:31, ph10 wrote:
Perl 5.026002 Regular Expressions
/(?!(a)b)/
a
0: 1: a
/(?!(a)b|ac)/
a
0:/(?!ac|(a)b)/
a
0: It seems to save the capture only if there is just one branch in the
assertion. Or maybe it has some algorithm for deciding on which branchto
try first ... I don't know, but it all seems very inconsistent to me.
You are right. With third example I see that Perl is inconsistent.
So this topic may be closed.
May be some message to Perl authors may be sent as epilogue.
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