<?php $in = ""; function isNice($str) { if( strpos($str, "ab") !== false || strpos($str, "cd") !== false || strpos($str, "pq") !== false || strpos($str, "xy") !== false ) { return false; } if( 3 > preg_match_all("/[aeiou]/i", $str, $match) || !preg_match("/([a-z])\\1/i", $str) ) { return false; } return true; } var_dump(isNice("jchzalrnumimnmhp"));
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