#37550 [NEW]: preg_match has string size limit

From: Arne dot Heizmann at csr dot com Operating system: Windows 2000 PHP version: 5.1.4 PHP Bug Type: Regexps related Bug description: preg_match has string size limit Description: ------------ preg_match() stops working properly at some minimum string length. Reproduce code: --------------- <? $str1 = 'a@b%c@d' . str_repeat ('=', 3333326); $str2 = 'a@b%c@d' . str_repeat ('=', 3333327); $regexp = '/^(.*)@(.*)%(.*)$/si'; echo preg_match ($regexp, $str1) ? "Correct " : "Wrong "; // works correctly echo preg_match ($regexp, $str2) ? "Correct " : "Wrong "; // exhibits the bug ?> Expected result: ---------------- "Correct Correct " Actual result: -------------- "Correct Wrong " -- Edit bug report at http://bugs.php.net/?id=37550&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37550&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37550&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37550&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=37550&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=37550&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=37550&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=37550&r=needscript Try newer version: http://bugs.php.net/fix.php?id=37550&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=37550&r=support Expected behavior: http://bugs.php.net/fix.php?id=37550&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=37550&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=37550&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=37550&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=37550&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=37550&r=dst IIS Stability: http://bugs.php.net/fix.php?id=37550&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=37550&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=37550&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=37550&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=37550&r=mysqlcfg