擅长:python、mysql、java
<p>只匹配包含此字符范围的句柄->;<code>/[a-zA-Z0-9_]/</code>。在</p>
<pre><code>s = "@123handle what is your problem @handle123?"
print re.findall(r'\B(@[\w\d_]+)', s)
>>> ['@123handle', '@handle123']
s = '@The quick brown fox@jumped over the LAAZY @_dog.'
>>> ['@The', '@_dog']
</code></pre>