擅长:python、mysql、java
<p>这不是正则表达式,但它可以工作:</p>
<pre><code>text="\n\nMy take on fruits.\n\nHealthy Fruits\nAn apple is a fruit and it\'s very good. Bananas are very good too and healthy.\n\nSour Fruits\nOranges are on the sour side and contains a lot of vitamin C.\n\nGrapefruits are even more sour, if you can believe it."
NewList=[]
Newtext=text.split("\n\n")
for line in Newtext:
if line.find("\n")>=0:
NewList.extend(line.split('\n'))
NewList[len(NewList)-1]=str(NewList[len(NewList)-1])+str(Newtext[len(Newtext)-1])
</code></pre>