<p>好的。给定具有以下值的输入文件(我希望了解您的用例):</p>
<pre><code><="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">and<\w>
<="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">we<\w>
<="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">appreciate<\w>
<="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">this<\w>
<="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">very<\w>
<="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">much<\w>
<="UO" lemma="|" lex="|" sense="|" prefix="|" suffix="|" compwf="|" complemgram="|" ref="05" dephead="04" deprel="ET">.<\w>
</code></pre>
<p>下面的python regex应该适合您:</p>
<pre><code>>>> import re
>>> pat = re.compile(r'(?<=">)(.*)(?=<\\w>)')
>>> pat.findall(input_string)
['and', 'we', 'appreciate', 'this', 'very', 'much', '.']
</code></pre>