我试图删除大csv文件中的所有URL并用字符串“URL”(所谓的等价标记)替换它。代码做我想要的,但它在一行中聚集/连接一些行。用字符串替换tweet网址
这意味着原始csv有63.000行,输出csv只有55000.这不是我想要的。我如何使用此令牌替换链接并将所有列分开?
#links are replaced with links
import re
with open('data_feat1.csv',"r", encoding="utf-8") as oldfile2, open('data_feat2.csv', 'w',encoding="utf-8") as newfile2:
for line in oldfile2:
line=re.sub(r"http\S+", r"URL", line) #replaces links with "URL"
newfile2.write(line)
newfile2.close()
您可以发布一些示例数据吗? –