擅长:python、mysql、java
<p>您可以使用<code>re</code>,但实际上不需要。</p>
<pre><code>>>> s = 'as32{ vd"s k!+'
>>> ''.join(x for x in s if x.isalpha())
'asvdsk'
>>> filter(str.isalpha, s) # works in python-2.7
'asvdsk'
>>> ''.join(filter(str.isalpha, s)) # works in python3
'asvdsk'
</code></pre>