擅长:python、mysql、java
<p>您可以使用regex轻松完成:</p>
<pre><code>>>> result=[]
>>> for i in data:
>>> r = re.search(r'([a-z]+\s*)+', i)
>>> if r:
>>> res = r.group(0).strip()
>>> if res not in result:
>>> result.append(res.strip())
>>> print(result)
['quick brown', 'quick gray', 'quick gray johnson', 'doggie', 'doggie python', 'tree']
</code></pre>