[英]Read from file with mixed unicode characters and replace string (python)
Here is the file content:这是文件内容:
H\u00f6gskolan
Högskolan
(Note: ö
is actually ö
) (注意: ö
实际上是ö
)
I want to replace all ö
characters with o
, and save it to a new file.我想用o
替换所有ö
字符,并将其保存到新文件中。 The regular string replace doesn't work as expected.常规字符串替换无法按预期工作。
with open("test.txt", encoding="utf-8") as f:
content = f.read()
replacedContent = content.replace("ö", "o")
with open("testOutput.txt", "w", encoding="utf-8") as f:
f.write(replacedContent)
testOutput.txt file content: testOutput.txt 文件内容:
H\u00f6gskolan
Hogskolan
I found a similar question but its solution didn't work as well:我发现了一个类似的问题,但它的解决方案也不起作用:
import codecs
with open("test.txt", encoding="utf-8") as f:
content = f.read()
content = codecs.decode(content, "unicode_escape")
replacedContent = content.replace("ö", "o")
with open("testOutput.txt", "w", encoding="utf-8") as f:
f.write(replacedContent)
testOutput.txt file content: testOutput.txt 文件内容:
Hogskolan
Högskolan
Any idea how to achieve this?知道如何实现这一目标吗?
I couldn't find any library function that already handles what you are requesting, so I just parse the raw unicode signatures with regex and replace them with their actual values我找不到任何已经处理你所请求的库 function,所以我只是用正则表达式解析原始 unicode 签名并将它们替换为它们的实际值
import re
def convert_mixed(from_file, to_file):
f = open(from_file, "r")
content = f.read()
f.close()
for x in re.findall(r"\\u([\da-f]{4})", content):
content = content.replace(f"\\u{x}", chr(int(x, 16)))
f = open(to_file, "w")
f.write(content.replace("ö", "o"))
convert_mixed("file.txt", "out.txt")
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