Bug #81060 [Opn]: The expression does not compile correctly

Edit report at https://bugs.php.net/bug.php?id=81060&edit=1 ID: 81060 User updated by: vklimin at 510710 dot com Reported by: vklimin at 510710 dot com Summary: The expression does not compile correctly Status: Open Type: Bug -Package: PECL +Package: PCRE related Operating System: Debian 10 PHP Version: 8.0.6 Block user comment: N Private report: N New Comment: Changed the name of the corresponding package Previous Comments: ------------------------------------------------------------------------ [2021-05-20 17:07:16] vklimin at 510710 dot com Description: ------------ The expression does not compile correctly and generates a warning. Test script: --------------- var_dump( preg_match( '#\Q/\E#', '/' ) ); var_dump( preg_match( '/\Q/\E/', '/' ) ); Expected result: ---------------- int(1) int(1) Actual result: -------------- int(1) Warning: preg_match(): Unknown modifier '\' in [...][...] on line 1 bool(false) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=81060&edit=1