Segment Chinese and English sentences without garbled characters - PHP

Ideas:
1. Encode the string with urlencode.
2. Use regular expressions to search for sentences ending with transcoded punctuation.
3.urldecode decode data

echo urlencode(',-.-?-!-;-,-.-?-!-;-...').PHP_EOL;
$str = "Code snippet, code snippet. Code snippet? Code snippet! Code snippet; Code snippet. Code snippet! Code snippet; Code snippet...";
echo $str;
 $str = urlencode($str);
 preg_match_all ('/(.*?)(\.{3,6}|%2C|\.|%3F|%21|%3B|%EF%BC%8C|%E3%80%82|%EF% BC%9F|%EF%BC%81|%EF%BC%9B)/',$str,$matchs);
 foreach($matchs[0] as $v){
 $newArr[] = urldecode($ v);
 }
 var_dump($newArr);