汉字的范围为”\u4e00-\u9fa5“
# -*-coding:UTF-8-*-__author__ = u'丽江海月客栈'
s = """{"headurl":"","nickname":"","loginstatus":"","loginstate":"","tip":"未注册服务","idUser":"","sessionId":"","upgradeUrl":"","checkCodeKey":"false"}"""
ss = s.decode('utf-8')
import re
re_words = re.compile(u"[\u4e00-\u9fa5]+")
m = re_words.search(ss, 0)
print m.group()