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<?php $kw = " asdsdfsdf as "; $pattern = '/^((?![[:cntrl:]' . preg_quote(',!@%^*()={};~`<>?\|', '/') . ']).)*$/u'; var_dump($pattern); var_export($pattern); echo PHP_EOL; var_dump(preg_match($pattern, $kw));
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(56) "/^((?![[:cntrl:],\!@%\^\*\(\)\=\{\};~`\<\>\?\\\|]).)*$/u" '/^((?![[:cntrl:],\\!@%\\^\\*\\(\\)\\=\\{\\};~`\\<\\>\\?\\\\\\|]).)*$/u' int(1)
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
string(56) "/^((?![[:cntrl:],\!@%\^\*\(\)\=\{\};~`\<\>\?\\\|]).)*$/u" '/^((?![[:cntrl:],\\!@%\\^\\*\\(\\)\\=\\{\\};~`\\<\\>\\?\\\\\\|]).)*$/u' Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/SI70X on line 7 PHP_EOLint(1)
preferences:
330.29 ms | 402 KiB | 459 Q