擅长:python、mysql、java
<p>您还可以使用<code>re.search()</code>对regex执行此操作。比如:</p>
<pre><code>import re
s = 'blah blah https://cars/123456/ford/ blah blah blah blah https://cars/123456/ford/ blah blah blah blah https://cars/123456/ford/ blah blah'
patt = re.compile(r'https:\/\/cars\/([^\/]*)\/ford\/')
result = patt.search(s)
print(result.group(1))
# OUTPUT
# 123456
</code></pre>