擅长:python、mysql、java
<p>我认为你可以使用正则表达式,导入python中的re。
例如:</p>
<pre><code>import re
expression = re.compile('(wordto)')
example = ' hi worldto, how are wordto xD wordto'
matches = expression.findall(example)
if matches:
print matches
print 'the count is', len(matches)
>>>['wordto', 'wordto']
>>>the count is 2
</code></pre>