#49576 [NEW]: Filter var for validating email is not validating emails correctly

From: mparkin at de-facto dot com Operating system: OSX Leopard PHP version: 5.2.10 PHP Bug Type: Filter related Bug description: Filter var for validating email is not validating emails correctly Description: ------------ Filter_Var does not validate emails accurately enough, and false positives are made. The regex needs improving - the regex we are using in kohanaphp framework (with preg_match) is more accurate. some more reading could be done here: http://fightingforalostcause.net/misc/2006/compare-email-regex.php Reproduce code: --------------- http://codepad.org/UIrhI5ep Expected result: ---------------- All emails in $valid are valid, all emails in $invalid are invalid. A far more accurate regex can be found here: http://dev.kohanaphp.com/projects/kohana2/repository/entry/trunk/system/helpers/valid.php#L20 Actual result: -------------- There are false positives and non failures. -- Edit bug report at http://bugs.php.net/?id=49576&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=49576&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=49576&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=49576&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=49576&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49576&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=49576&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=49576&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=49576&r=needscript Try newer version: http://bugs.php.net/fix.php?id=49576&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=49576&r=support Expected behavior: http://bugs.php.net/fix.php?id=49576&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=49576&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=49576&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=49576&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=49576&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=49576&r=dst IIS Stability: http://bugs.php.net/fix.php?id=49576&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=49576&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=49576&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=49576&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=49576&r=mysqlcfg