<?php function cutAtNthOf(string $text, string $char, int $nth): string { $char = preg_quote($char); return preg_replace("#(?:[^$char]*\K$char){{$nth}}.*#", '', $text); } $test = 'hey/mate/from/outside//nothing'; for ($nth = 0; $nth <= 7; ++$nth) { echo cutAtNthOf($test, '/', $nth) . "\n"; }
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