On 29.10.2016 at 05:17, German Geek wrote: > Note also, that the regex here might be compiled every time, in which case > regexes are the clear winner. I think PHP might cache the compiled regex > though. Yes, by default up to 4096 compiled regex patterns are cached, see <https://github.com/php/php-src/blob/PHP-7.0.13/ext/pcre/php_pcre.c#L45>ff. With regard to the performance, I presume that prec.jit makes a difference (depending on the complexity of the pattern and the subject length). -- Christoph M. Becker -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php