擅长:python、mysql、java
<p>它不是regex,但我会使用<a href="https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlparse" rel="nofollow noreferrer">urllib</a>:</p>
<pre class="lang-py prettyprint-override"><code>from urllib.parse import parse_qs, urlparse
url = urlparse('/url?q=http://avadl.uploadt.com/DL4/Film/&sa=U&ved=0ahUKEwiYwOKe1r7hAhWUf30KHcHUBkMQFggUMAA&usg=AOvVaw39cIJ0T8_CAQMY8EkSWZJl')
qs = parse_qs(url.query)
print(qs['q'][0])
</code></pre>