擅长:python、mysql、java
<p>您可能正在寻找正则表达式解决方案:</p>
<pre><code>import re
rx = re.compile(r'[^A-Za-z]+')
# some sample line
line = 'fkdjks97#!%&jd'
# and then later on
line = rx.sub('', line)
print(line)
</code></pre>
<p>这就产生了</p>
<pre><code># fkdjksjd
</code></pre>
<p/><hr/>
将其放入<code>with...</code>构造中,您可能使用
<pre><code>with open(textfile1, "r") as fp:
line = rx.sub('', fp.readline())
print(line)
</code></pre>