Bug #78191 [NEW]: /^[a-z]+$/ can be match "\n"

From: sunweiqiang8 at gmail dot com Operating system: CentOS 7.6 PHP version: 7.2.19 Package: *Regular Expressions Bug Type: Bug Bug description:/^[a-z]+$/ can be match "\n" Description: ------------ Only PHP can succeed. # php preg_match("/^[a-z]+$/", "abc\n"); #int(1) # javascript var reg = /^[a-z]+$/; console.log(reg.test("abc\n")); # false # java(jdk11) System.out.println(Pattern.matches("^[a-z]+$", "abc\n")); # false Test script: --------------- <?php var_dump(preg_match("/^[a-z]+$/", "abc\n")); -- Edit bug report at https://bugs.php.net/bug.php?id=78191&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78191&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78191&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78191&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78191&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78191&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78191&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78191&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78191&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78191&r=support Expected behavior: https://bugs.php.net/fix.php?id=78191&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78191&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78191&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78191&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78191&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78191&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78191&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78191&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78191&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78191&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78191&r=mysqlcfg