Python中的正则表达式找到所有符合要求的字符串

正则匹配中文，固定形式：\u4E00-\u9FA5

re.findall("正则表达式","处理的内容",re.DOTALL)

import refrom lxml import etreedef demo():content = """<?xml version="1.0" encoding="GB2312"?><tree><tree curCode="110000" text="北京局本部" attrsName="" attrs="" attrSplit="@#$" /><tree curCode="120000" text="天津局本部" attrsName="" attrs="" attrSplit="@#$" /><tree curCode="130000" text="河北局本部" attrsName="" attrs="" attrSplit="@#$" /><tree curCode="140000" text="山西局本部" attrsName="" attrs="" attrSplit="@#$" /><