And here is another strange result (may be they are connected with \z
discussion):
PCRE version 8.21 2011-12-12
/(?<=a)(?!b)/+
\P\Pa
Partial match: a
Now we swap assertions:
PCRE version 8.21 2011-12-12
/(?!b)(?<=a)/+
\P\Pa
0:
0+
Result changes to 'match'. Expected 'partial match'. Is there such
assertions swaping can change result?
Another example:
PCRE version 8.21 2011-12-12
/(?!a)/+
\P\Pa
0:
0+
We want to lookahead with 'partial hard' but PCRE don't allow this.
Instead it assumes that string is complete and returns inutile result.
Look at that examples please.
Thanx.
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