#49062 [NEW]: example wrong for PCRE backreference

From: alan at hcibook dot com Operating system: Mac OSX PHP version: Irrelevant PHP Bug Type: Documentation problem Bug description: example wrong for PCRE backreference Description: ------------ The last of the example strings below should be "ababba" The string "ababaa" does not match as the pattern for the previous (2nd) iteration is "ba", hence to match b\1 on the third iteration, the rest of the string needs to be "bba" other matching strings "abaaba" "abaaababba" "ababbabbba" Reproduce code: --------------- --- From manual page: regexp.reference.back-references --- For example, the pattern (a|b\1)+ matches any number of "a"s and also "aba", "ababaa" etc. -- Edit bug report at http://bugs.php.net/?id=49062&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=49062&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=49062&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=49062&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=49062&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49062&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=49062&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=49062&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=49062&r=needscript Try newer version: http://bugs.php.net/fix.php?id=49062&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=49062&r=support Expected behavior: http://bugs.php.net/fix.php?id=49062&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=49062&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=49062&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=49062&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=49062&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=49062&r=dst IIS Stability: http://bugs.php.net/fix.php?id=49062&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=49062&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=49062&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=49062&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=49062&r=mysqlcfg