擅长:python、mysql、java
<pre><code>re.sub(r"(\d+)/(\d+)/(\d+)",r"\3-\1-\2",test_Str)
</code></pre>
<p>这应该能帮你。你知道吗</p>
<pre><code>x= ['1','2','01/02/2015','3','4','1-05-2015','5','Anot/her Ex/ample','6']
print [re.sub(r"(\d+)/(\d+)/(\d+)",r"\3-\1-\2",i) for i in x ]
</code></pre>