擅长:python、mysql、java
<p>您可以在python中使用URLlib模块</p>
<pre><code>from urllib3.util import parse_url
urls = ['foo.com','www.foo.com/','foo.com/us','foo.com/ca/example-test/']
for url in urls:
parsed_url = parse_url(url)
host = parsed_url.host if not parsed_url.host.startswith('www.') else parsed_url.host.lstrip('www.')
</code></pre>
<p>输出将如您预期的那样</p>