擅长:python、mysql、java
<pre><code>>>> import re
>>> originalstring = 'fksf var:asfkj;'
>>> pattern = '.*?var:(.*?);'
>>> pattern_obj = re.compile(pattern, re.MULTILINE)
>>> replacement_string="\\1" + 'test'
>>> pattern_obj.sub(replacement_string, originalstring)
'asfkjtest'
</code></pre>
<p>编辑:<a href="http://docs.python.org/howto/regex.html#search-and-replace" rel="noreferrer">Python Docs</a>可以是非常有用的引用。</p>