Bug #51963 [NEW]: preg_replace returns NULL, if in line more than 991 blanks

From: Operating system: Windows XP SP3 PHP version: 5.2.13 Package: PCRE related Bug Type: Bug Bug description:preg_replace returns NULL, if in line more than 991 blanks Description: ------------ One of my regular expressions leads to return of emptiness to functions preg_replace if the initial line contains more than 991 blanks. Example more low. The first line works, the second dies also I lose all contents. Test script: --------------- $text = 'test'.str_repeat(' ', 991).'test'; // work $text = 'test'.str_repeat(' ', 992).'test'; // empty :( if ($text = preg_replace('/(.*?\s+)"([^\s]+.*?)/', '$1<quot1>$2', $text)) { echo "GOOD\n"; } else { echo "BAD\n"; } -- Edit bug report at http://bugs.php.net/bug.php?id=51963&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=51963&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=51963&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=51963&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=51963&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51963&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=51963&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=51963&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=51963&r=needscript Try newer version: http://bugs.php.net/fix.php?id=51963&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=51963&r=support Expected behavior: http://bugs.php.net/fix.php?id=51963&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=51963&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=51963&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=51963&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=51963&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=51963&r=dst IIS Stability: http://bugs.php.net/fix.php?id=51963&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=51963&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=51963&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=51963&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=51963&r=mysqlcfg