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

From: vklimin at 510710 dot com Operating system: Debian 10 PHP version: 8.0.6 Package: PECL Bug Type: Bug Bug description:The expression does not compile correctly 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 bug report at https://bugs.php.net/bug.php?id=81060&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81060&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81060&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81060&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81060&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81060&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81060&r=support Expected behavior: https://bugs.php.net/fix.php?id=81060&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81060&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81060&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81060&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81060&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81060&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81060&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81060&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81060&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81060&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81060&r=mysqlcfg