Bug #76909 [ReO->Csd]: preg_match difference between 7.3 and < 7.3

Edit report at https://bugs.php.net/bug.php?id=76909&edit=1 ID: 76909 Updated by: ab@php.net Reported by: jay at diablomedia dot com Summary: preg_match difference between 7.3 and < 7.3 -Status: Re-Opened +Status: Closed Type: Bug Package: PCRE related Operating System: Linux PHP Version: 7.3.0RC1 Block user comment: N Private report: N New Comment: Automatic comment on behalf of ab Revision: http://git.php.net/?p=php-src.git;a=commit;h=7a02ecb7fef994332d83dae56ac5584d536f3de0 Log: Fixed bug #76909 preg_match difference between 7.3 and &lt; 7.3 Previous Comments: ------------------------------------------------------------------------ [2018-09-21 11:12:55] requinix@php.net Fixed upstream. https://vcs.pcre.org/pcre2?view=revision&revision=1016 ------------------------------------------------------------------------ [2018-09-21 07:57:42] requinix@php.net For the record, I can reproduce with pcre2test. (The backslash is required to escape the leading space.) re> /^[\x{0100}-\x{017f}]{1,63}$/i,utf,jit=0 data> \ domain.com No match data> re> /^[\x{0100}-\x{017f}]{1,63}$/i,utf,jit=1 data> \ domain.com 0: domain.com ------------------------------------------------------------------------ [2018-09-21 06:21:21] nikic@php.net Reopening to track the update of the bundled libpcre2. ------------------------------------------------------------------------ [2018-09-20 23:29:06] requinix@php.net Marking NAB and I'll watch what happens with that report. ------------------------------------------------------------------------ [2018-09-20 21:53:29] jay at diablomedia dot com I filed a bug with PCRE: https://bugs.exim.org/show_bug.cgi?id=2321 I was able to confirm that disabling PCRE JIT does fix the issue. ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=76909 -- Edit this bug report at https://bugs.php.net/bug.php?id=76909&edit=1