title: How to match any quoted strings containing Cyrillic symbols
body: <p>Need parse a lot of text files and replace any quoted strings containing cyrillic symbols. They are may contains new lines, non-alphabetic characters and special symbols (for example '$' or escaped quote).
  Can anyone help with regex?</p>
  
  <p>From comments:</p>
  
  <p>for example php code </p>
  
  <pre><code>function hello($word) {
      $word2 = "ха-ха!";
      echo "Привет, $word $word2\n"; 
  }
  hello('Мир'); 
  </code></pre>
  
  <p>I need match "ха-ха!", "Привет, $word $word2\n" and 'Мир' </p>