#42290 [NEW]: mb_ereg_replace() and preg_replace() is not caseinsensitive for multibyte

From: arysin at gmail dot com Operating system: All PHP version: 5.2.4RC1 PHP Bug Type: Regexps related Bug description: mb_ereg_replace() and preg_replace() is not caseinsensitive for multibyte Description: ------------ The function mb_eregi_replace() and/or function mb_ereg_replace() with 'i' option is not caseinsensitive for multibyte characters. The same problem occurs for preg_replace() with /i option. This bug was reported before twice: 1) (#39999) and was marked as Bogus stating it's not php bug. 2) (#25953) was marked as Won't fix with note "Probably the issue will be resolved in php5." As one cannot add anything to closed bug I'd like to reopen this bug here for the reason stated below: This library is not linked dynamically, on contrary its source is present in php source repository. So there's no way for php users to have this problem fixed without php itself being fixed. More than that, the version of oniguruma in php repository is pretty old so at least importing the newer version of it would be a nice try to fix this bug. Reproduce code: --------------- <? mb_internal_encoding('UTF-8'); mb_regex_encoding('UTF-8'); $pattern = 'š'; //s 'crown' $replace = 'X'; $subject = 'Šiltas, šiltas'; $result = mb_eregi_replace($pattern, $replace, $subject); echo $result; $result = preg_replace("/$pattern/iu", $replace, $subject); echo $result . "\n"; ?> Expected result: ---------------- Xiltas, Xiltas Xiltas, Xiltas Actual result: -------------- Šiltas, Xiltas Šiltas, Xiltas -- Edit bug report at http://bugs.php.net/?id=42290&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42290&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42290&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42290&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42290&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42290&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42290&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42290&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42290&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42290&r=support Expected behavior: http://bugs.php.net/fix.php?id=42290&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42290&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42290&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42290&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42290&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42290&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42290&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42290&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42290&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42290&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42290&r=mysqlcfg