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<?php $log = "2024-06-15 10:30:00 [ERROR] Connection refused"; $pattern = "/(?P<date>\d{4}-\d{2}-\d{2}) (?P<time>\d{2}:\d{2}:\d{2}) \[(?P<level>\w+)\] (?P<message>.+)/"; if (preg_match($pattern, $log, $matches)) { echo $matches["date"]; // "2024-06-15" echo $matches["level"]; // "ERROR" echo $matches["message"]; // "Connection refused" } // Named groups in preg_replace $result = preg_replace( "/(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})/", "${day}/${month}/${year}", "2024-06-15" ); // "15/06/2024"
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