擅长:python、mysql、java
<p>您不必使用正则表达式,但对于这样简单的事情,解决方案有点长</p>
<pre><code>def repeated(string, amount):
current = None
count = 0
for letter in string:
if letter == current:
count += 1
if count == amount:
return True
else:
count = 1
current = letter
return False
print(repeated("helllo", 3) == True)
print(repeated("hello", 3) == False)
</code></pre>