Bug #52592 [NEW]: mb_ereg_replace and the Greek capital Pi

From: Operating system: Centos 5.5 x64 PHP version: 5.2.14 Package: mbstring related Bug Type: Bug Bug description:mb_ereg_replace and the Greek capital Pi Description: ------------ PHP: 5.2.14, Apache 2.2.15, mod_php While \s is supposed to match all whitespace, the greek unicode letter Pi (Π) whose code is 0xCEA0 is matched too and if replaced with something, it's stripped of its second byte (0xA0). Test script: --------------- <?php mb_internal_encoding('UTF-8'); $testStr = 'Π Π Π!'; $newStr = mb_ereg_replace('\s+','_',$testStr); echo $testStr; echo $newStr; echo urlencode($testStr); echo urlencode($newStr); ?> Expected result: ---------------- Π Π Π! Π__Π__Π! %CE%A0++%CE%A0++%CE%A0%21 %CE%A0__%CE%A0__%CE%A0%21 Actual result: -------------- Π Π Π! [non printable character]_[non printable character]_[non printable character]! %CE%A0++%CE%A0++%CE%A0%21 %CE_%CE_%CE_%21 -- Edit bug report at http://bugs.php.net/bug.php?id=52592&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52592&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52592&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52592&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52592&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52592&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52592&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52592&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52592&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52592&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52592&r=support Expected behavior: http://bugs.php.net/fix.php?id=52592&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52592&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52592&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52592&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52592&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52592&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52592&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52592&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52592&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52592&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52592&r=mysqlcfg