Python 正则表达式替换字符

Question

python a="32<2>fdssa</2>ffdsa32" re.sub(r'<(\d+)>|</(\d+)>',"item",a) result:'32itemfdssaitemffdsa32' 如何正确替换得到结果: a="32<item>fdssa</item>ffdsa32"

Answer 1

这样？

>> re.sub(r'<\d+>([^<]+)</\d+>', r'<item>\1</item>', '32<2>fdssa</2>ffdsa32')
'32<item>fdssa</item>ffdsa32'

Answer 2

import re
a="32<2>fdssa</2>ffdsa32"
re.sub(r'<\d+?>(.+?)</\d+?>', r'<item>\1</item>', a)