#51148 [NEW]: preg_match doesn't work...le't post an example

From: Date: Thu, 25 Feb 2010 18:56:50 +0000
Subject: #51148 [NEW]: preg_match doesn't work...le't post an example
Groups: php.bugs 
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From: fabriziodimeo at alice dot it Operating system: windows and linux PHP version: 5.3.1 PHP Bug Type: *Regular Expressions Bug description: preg_match doesn't work...le't post an example Description: ------------ preg_match do not match correctly. Reproduce code: --------------- <?php function anti_injection($stringa) { $pattern="/[A-Za-z0-9]/"; if (preg_match($pattern, $stringa)) { echo "ok"; } else { echo "hacking"; } } $str="c"; anti_injection($str); $str="ciao!"; anti_injection($str); ?> Expected result: ---------------- ok hacking Actual result: -------------- ok ok -- Edit bug report at http://bugs.php.net/?id=51148&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=51148&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=51148&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=51148&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=51148&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51148&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=51148&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=51148&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=51148&r=needscript Try newer version: http://bugs.php.net/fix.php?id=51148&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=51148&r=support Expected behavior: http://bugs.php.net/fix.php?id=51148&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=51148&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=51148&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=51148&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=51148&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=51148&r=dst IIS Stability: http://bugs.php.net/fix.php?id=51148&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=51148&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=51148&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=51148&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=51148&r=mysqlcfg

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