How to choose a word that is between two known words?

Question

PHP

For example, it is common for each of us not to love someone to choose a word between us and not, i.e. the word is peculiar

Answer 1

$str = 'каждому из нас свойственно не любить кого-нибудь';

if (preg_match('/\bнас\b\W*([\w-]+)\W*\bне\b/iu', $str, $match)) {
    $word = $match[1];
}