def METHOD_NAME(s):
    s = re.sub(r'[^A-Za-z 0-9 \.,\?""!@#\$%\^&\*\(\)-_=\+;:<>\/\\\|\}\{\[\]`~]*', '', s)
    s = s.replace("&", '&amp;')
    s = s.replace("\"", '&quot;')
    s = s.replace(">", '&gt;')
    s = s.replace("<", '&lt;')
    return s