Nonetheless the current PCRE functions leads to confusion and weirdness as long the perl syntax is mixed with php.
I wonder if this more true for people who have used Perl. Personally, I have never used perl on a daily basis. The PCRE syntax has never caused me much trouble. But, I can see that if you were/are a perl user and you want to use the "Perl" Compatible Regular Expressions in PHP you could be confused.
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