擅长:python、mysql、java
<p>假设您想要找到<code>''</code>符号中包含的所有单词,它们正好是两个字符长:</p>
<pre><code>import re
split = re.compile(r"'\w{2}'")
with open("file2","w") as fw:
for word in split.findall(open("file","r").read()):
fw.write(word.strip("'")+"\n")
</code></pre>