Bug #75069 [Opn->Nab]: preg_match function wrong result

Edit report at https://bugs.php.net/bug.php?id=75069&edit=1 ID: 75069 Updated by: nikic@php.net Reported by: bublik dot drdrdr at gmail dot com Summary: preg_match function wrong result -Status: Open +Status: Not a bug Type: Bug Package: *Regular Expressions Operating System: Windows PHP Version: 7.1.8 Block user comment: N Private report: N New Comment: preg_match() is the correct function to use, you just need to specify the /u modifier if you're working with UTF-8. Please do not recommend the use of mb_ereg_match() unless it is strictly necessary. Using "/(?=.*?[A-Za-z]).{8,}/u" will produce the desired result. Previous Comments: ------------------------------------------------------------------------ [2017-08-13 13:14:48] spam2 at rhsoft dot net can you tell why you are using preg_match() when you pretty clear deal with multibyte data to start with? the 2 multibyte chars are 2 bytes and 6+2 = 8 http://php.net/manual/en/function.mb-ereg-match.php ------------------------------------------------------------------------ [2017-08-13 13:07:51] bublik dot drdrdr at gmail dot com Description: ------------ preg_match finds a wrong match with these params: pattern "(?=.*?[A-Za-z]).{8,}", subject "вasdaв". Last contains 6 chars (english and russian), but regex pattern must accept only 8+ chars. Test script: --------------- $out = array(); preg_match("/(?=.*?[A-Za-z]).{8,}/", "вasdaв", $out); var_dump($out); Expected result: ---------------- array(0) { } Actual result: -------------- array(1) { [0]=> string(8) "вasdaв" } ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75069&edit=1