Bug #54702 [NEW]: character @ not handled properly with \b

From: Operating system: Linux PHP version: Irrelevant Package: PCRE related Bug Type: Bug Bug description:character @ not handled properly with \b Description: ------------ Hi, I have a problem with the @ character at the end of a word, with the word delimiter \b: input: i wrote this exampl@ for you preg_match('/\bexampl@/','i wrote this exampl@ for you') = 1 preg_match('/\bexampl@\b/','i wrote this exampl@ for you') = 0 the second preg_match should also return 1 !! Test script: --------------- <?php $input='i wrote this exampl@ for you'; echo "input: ".$input."\n"; $patt='/\bexampl@/'; echo "preg_match('".$patt."','".$input."') = ".preg_match($patt, $input)."\n"; $patt='/\bexampl@\b/'; echo "preg_match('".$patt."','".$input."') = ".preg_match($patt, $input)."\n"; ?> Expected result: ---------------- for both preg_match, output should be 1, that is, the pattern should be found in the input string preg_match('/\bexampl@/','i wrote this exampl@ for you') = 1 preg_match('/\bexampl@\b/','i wrote this exampl@ for you') = 1 Actual result: -------------- preg_match('/\bexampl@/','i wrote this exampl@ for you') = 1 preg_match('/\bexampl@\b/','i wrote this exampl@ for you') = 0 -- Edit bug report at http://bugs.php.net/bug.php?id=54702&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=54702&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=54702&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=54702&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=54702&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54702&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=54702&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=54702&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=54702&r=needscript Try newer version: http://bugs.php.net/fix.php?id=54702&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=54702&r=support Expected behavior: http://bugs.php.net/fix.php?id=54702&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=54702&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=54702&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=54702&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=54702&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=54702&r=dst IIS Stability: http://bugs.php.net/fix.php?id=54702&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=54702&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=54702&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=54702&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=54702&r=mysqlcfg