擅长:python、mysql、java
<p>您不需要库,例如可以使用reg exp。</p>
<pre><code>>>> import re
>>> contractions_dict = {
... 'didn\'t': 'did not',
... 'don\'t': 'do not',
... }
>>> contractions_re = re.compile('(%s)' % '|'.join(contractions_dict.keys()))
>>> def expand_contractions(s, contractions_dict=contractions_dict):
... def replace(match):
... return contractions_dict[match.group(0)]
... return contractions_re.sub(replace, s)
...
>>> expand_contractions('You don\'t need a library')
'You do not need a library'
</code></pre>