Bug #53309 [NEW]: Capturing group failing with a colon

From: Operating system: Vista PHP version: 5.3.3 Package: Regexps related Bug Type: Bug Bug description:Capturing group failing with a colon Description: ------------ In some circumstances, when a colon is a specified character in a capturing group, it unexpectedly fails. Test script: --------------- preg_match('/^(([a-z])(?::(?2))*)::(?:(?1):)[a-z]$/', 'a::a:a'); preg_match('/^(([a-z])(?::(?2))*)::(?:(?1)-)[a-z]$/', 'a::a-a'); Expected result: ---------------- int(1) int(1) Actual result: -------------- int(0) int(1) -- Edit bug report at http://bugs.php.net/bug.php?id=53309&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=53309&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=53309&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=53309&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=53309&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=53309&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=53309&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=53309&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=53309&r=needscript Try newer version: http://bugs.php.net/fix.php?id=53309&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=53309&r=support Expected behavior: http://bugs.php.net/fix.php?id=53309&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=53309&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=53309&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=53309&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53309&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=53309&r=dst IIS Stability: http://bugs.php.net/fix.php?id=53309&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=53309&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=53309&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=53309&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=53309&r=mysqlcfg