Python 正则表达式替换字符

Question

pythona="32fdssaffdsa32"re.sub(r'|',"item",a)result:'32itemfdssaitemffdsa32'如何正确替换得到结果:a="32fdssaffdsa32"

Answer 1

这样？
>>re.sub(r'<\d+>([^<]+)',r'\1','32<2>fdssaffdsa32')
'32fdssaffdsa32'
                            

Answer 2

re.sub(r'((?<=<)|(?<=
或者
re.sub(r'((?<=<)|(?<=