对re.sub中捕获组的反向引用未按预期工作

Question

我想删除任何后跟数字的“\”

s = "somecharacters\15othercharacters"
s = re.sub(r"\\(\d+)", r"\1", s)

print(s)给了我othercharacters，而我期望的是somecharactersothercharacters

你能帮我修一下吗？
谢谢

Answer 1

我想你正在寻找这样的东西，正如你在问题的这一部分所要求的：

I want to remove any "\" followed by digits

import re
s = r"somecharacters\15othercharacters"
s = re.sub(r"\\\d+", '', s)
print(s)

当运行此输出时：

somecharactersothercharacters