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<?php $subject="<p>{{name}}</p>"; $pattern="/<p>{{\K.+?(?=}}<\/p>)/"; $success = preg_match($pattern, $subject, $match); var_dump($match); $subject = "test <h1>test</h1><p></p><p>{{name}}</p> <p>{{te{}}st}}</p>"; $success = preg_match_all($pattern, $subject, $match); var_dump($match);
Output for 5.3.3, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 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]=> string(4) "name" } array(1) { [0]=> array(2) { [0]=> string(4) "name" [1]=> string(7) "te{}}st" } }

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85.21 ms | 2039 KiB | 4 Q