I have tried this, but can't remove this kind of chars (……) from my string:
$string= preg_replace('/[^a-zA-Z [\n\r] ]/', '', $string);
$string= preg_replace('/\t\s\s+/', '', $string);
$string= preg_replace("/[\n\r]/","=",$string);
it shows me my desired out, but I also want to remove special chars like: ……