擅长:python、mysql、java
<p>你需要摆脱重复。一个好方法是用一套。你知道吗</p>
<pre><code>import re
mystring = """
DEALER: 'S up, Bubbless?
BUBBLES: Hey.
DEALER: Well, there you go.
JUNKIE: Well, what you got?
DEALER: I got some starters. """
p = re.compile('([A-Z]*):')
s = set(p.findall(mystring))
print s
</code></pre>
<p>这将产生一组唯一的名称</p>
<pre><code>set(['JUNKIE', 'DEALER', 'BUBBLES'])
</code></pre>