import re import io import sys input_stream = io.TextIOWrapper(sys.stdin.buffer, encoding=‘utf-8‘) s = input_stream.readlines() s = "\n".join(s) pc = ‘(//.*|/\*[\d\D]*?\*/)‘ mc = re.findall(pc, s) for v in mc: vs = v.split("\n\n") for l in vs: print (l.lstrip())
HackerRank - "Building a Smart IDE: Identifying comments"
原文：http://www.cnblogs.com/tonix/p/4548203.html