Re: [pcre-dev] Unmatched subpattern become wildcard

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Author: Philip Hazel
Date:  
To: Tib
CC: pcre-dev
Subject: Re: [pcre-dev] Unmatched subpattern become wildcard
On Wed, 21 Dec 2011, Tib wrote:

> When (another)? didn't match, I would assume \1 also match an empty string,
> however (\1?) part captured "hello world ", is this a bug or I
> misunderstand the syntax?


I have just tested this with pcretest, and I can confirm that it is a
bug, especially as Perl behaves like 8.10. We are rather busy with the
16-bit upgrade at the moment, but I'll try to find time soon to see if
there is a simple fix for this.

Philip

--
Philip Hazel