#!/usr/bin/env python
# coding: utf-8
# created by hevlhayt@foxmail.com 
# Date: 2016/7/9
# Time: 13:51
import re


# def input_filter(arg):
#     if arg and (type(arg) is str or unicode):
#         return re.sub(ur"[^a-zA-Z0-9\u4e00-\u9fa5]", '', arg)
#     else:
#         return None




