问题描述
对于'12233322155552'这样的字符串,通过去除重复,我可以得到'1235'.
For a string such as '12233322155552', by removing the duplicates, I can get '1235'.
但我要保留的是'1232152',只删除连续的重复项.
推荐答案
import re # Only repeated numbers answer = re.sub(r'(d)1+', r'1', '12233322155552') # Any repeated character answer = re.sub(r'(.)1+', r'1', '12233322155552')