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<?php $args = [ "(AAA/)(BBB/)(cc)", "(AAA/)xxxx(BBB/)(cc)", "(mystring123/)", "(\\mystring123\\)", ]; foreach ($args as $arg) { if (!preg_match_all("#^(?:\([/a-zA-Z0-9_\\\\-]+\))+$#", $arg, $matches, PREG_OFFSET_CAPTURE)) { var_dump($matches); echo 'The simple pattern "' . $arg . '" is not valid !'; //throw new \Exception('The simple pattern "' . $arg . '" is not valid !'); } }
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(1) { [0]=> array(0) { } } The simple pattern "(AAA/)xxxx(BBB/)(cc)" is not valid !
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104.78 ms | 1409 KiB | 4 Q