
import re
s = '''<img data-original="https://rpic.douyucdn.cn/appCovers/2016/11/13/1213973_201611131917_small.jpg" src="https://rpic.douyucdn.cn/appCovers/2016/11/13/1213973_201611131917_small.jpg" style="display: inline;">'''


ret = re.search(r"(https://.*?\.jpg)",s)
print(ret.group(1))
#print(s)
