去除英文标点符号
string.punctuation包含所有英文标点符号
'!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'
import stringstring.punctuationtext = "Don't worry, be happy!" # 'Don\'t worry, be happy'punctuation_string = string.punctuationfor i in punctuation_string:text = text.replace(i, '')print(text)'''Dont worry be happy'''
import rere.sub('[{}]'.format(punctuation_string),"",text)''''Dont worry be happy''''
去除中文标点符号
调用zhon包的zhon.hanzi.punctuation函数即可得到中文的标点符号集合。
'"#$%&'()*+,-/:;<=>@[\]^_`{|}~⦅⦆「」、\u3000、〃〈〉《》「」『』【】〔〕〖〗〘〙〚〛〜〝〞〟 〰〾〿–—‘’‛“”„‟…‧﹏﹑﹔·!?。。'
from zhon.hanzi import punctuationpunctuationtext = '生活就像【】,如果##'punctuation_str = punctuationfor i in punctuation_str:text = text.replace(i, '')print(text)''''生活就像如果''''
import rere.sub('[{}]'.format(punctuation),"",text)''''生活就像如果''''
去除中文
import retext = '生活就像【】,如果##'temp = re.sub('[\u4e00-\u9fa5]','',text)print(temp)''''【】,##''''
from zhon.hanzi import charactersimport re text = '生活就像【】,如果##'temp = re.sub('[{}]'.format(characters),'',text)print(temp)''''【】,##''''
去除英文
import retext = "aksjn ekljfk # ! len223"temp = re.sub('[a-zA-Z]','',text)print(temp)'''' # ! 223''''
去除数字
其实对于\d \s \w这些,小写是数字\空格\数字字母,大写即是非数字\非空格\非数字字母,可以合理运用~
import retext="哈aksjn ekljfk # ! len223"temp = re.sub('[\d]','',text) # [0-9]print(temp)''''哈aksjn ekljfk # ! len''''
去除空格
有很多方法,比如:Python 字符串去除空格的方法
import retext="aksjn ekljfk # ! len223"temp = re.sub('[\s]','',text) #temp = text.strip()print(temp)''''aksjn ekljfk # ! len223''''