擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>import re
s1 = "This has no long words"
s2 = "This has oooone long word"
def has_long(sentence):
elong = re.compile("([a-zA-Z])\\1{2,}")
return bool(elong.search(sentence))
print has_long(s1)
False
print has_long(s2)
True
</code></pre>