*/ $pieces = Regex\Internal\call_preg('preg_split', static fn() => preg_split( '{' . preg_quote($needle, '/') . '}iu', $haystack, -1, )); } catch (Regex\Exception\RuntimeException|Regex\Exception\InvalidPatternException $error) { throw new Exception\InvalidArgumentException($error->getMessage(), previous: $error); } return join($pieces, $replacement); }