python文本过滤

#encoding:UTF-8  

import re
temp = "想做/ 兼_职/学生_/ 的 、加,我Q：  8 8.  8 8. ！！？？  8 8 。8.  8。 8     有,惊,喜,哦"
temp = temp.decode("utf8")
string = re.sub("[\s+\.\!\/_,$%^*(+\"\']+|[+——！，。？、~@#￥%……&*（）]+".decode("utf8"), "".decode("utf8"),temp)
print string



# def is_chinese(uchar):
#         """判断一个unicode是否是汉字"""
#         if uchar >= u'\u4e00' and uchar<=u'\u9fa5':
#                 return True
#         else:
#                 return False
 
# def is_number(uchar):
#         """判断一个unicode是否是数字"""
#         if uchar >= u'\u0030' and uchar<=u'\u0039':
#                 return True
#         else:
#                 return False
 
# def is_alphabet(uchar):
#         """判断一个unicode是否是英文字母"""
#         if (uchar >= u'\u0041' and uchar<=u'\u005a') or (uchar >= u'\u0061' and uchar<=u'\u007a'):
#                 return True
#         else:
#                 return False
 
# def is_other(uchar):
#         """判断是否非汉字，数字和英文字符"""
#         if not (is_chinese(uchar) or is_number(uchar) or is_alphabet(uchar)):
#                 return True
#         else:
#                 return False
 
# def B2Q(uchar):
#         """半角转全角"""
#         inside_code=ord(uchar)
#         if inside_code<0x0020 or inside_code>0x7e:      #不是半角字符就返回原来的字符
#                 return uchar
#         if inside_code==0x0020: #除了空格其他的全角半角的公式为:半角=全角-0xfee0
#                 inside_code=0x3000
#         else:
#                 inside_code+=0xfee0
#         return unichr(inside_code)
 
# def Q2B(uchar):
#         """全角转半角"""
#         inside_code=ord(uchar)
#         if inside_code==0x3000:
#                 inside_code=0x0020
#         else:
#                 inside_code-=0xfee0
#         if inside_code<0x0020 or inside_code>0x7e:      #转完之后不是半角字符返回原来的字符
#                 return uchar
#         return unichr(inside_code)


 
# def stringQ2B(ustring):
#         """把字符串全角转半角"""
#         return "".join([Q2B(uchar) for uchar in ustring])
 
# def uniform(ustring):
#         """格式化字符串，完成全角转半角，大写转小写的工作"""
#         return stringQ2B(ustring).lower()
 
# def string2List(ustring):
#         """将ustring按照中文，字母，数字分开"""
#         retList=[]
#         utmp=[]
#         for uchar in ustring:
#                 if is_other(uchar):
#                         if len(utmp)==0:
#                                 continue
#                         else:
#                                 retList.append("".join(utmp))
#                                 utmp=[]
#                 else:
#                         utmp.append(uchar)
#         if len(utmp)!=0:
#                 retList.append("".join(utmp))
#         return retList
 
# if __name__=="__main__":
#         #test Q2B and B2Q
#         for i in range(0x0020,0x007F):
#                 print Q2B(B2Q(unichr(i))),B2Q(unichr(i))
 
#         #test uniform
#         ustring=u'中国 人名ａ高频Ａ'
#         ustring=uniform(ustring)
#         ret=string2List(ustring)
#         raw_input()