仅当在字符串中连续时如何删除重复项? [英] How to remove duplicates only if consecutive in a string?

问题描述

对于诸如'12233322155552'的字符串，通过删除重复项，我可以获得'1235'.

For a string such as '12233322155552', by removing the duplicates, I can get '1235'.

但是我要保留的是'1232152'，仅删除连续的重复项.

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')

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