如何摆脱python字符串中的怪异字符？

Question

I have lines that contains some pesky control characters:

When I tried to read the file and then do a str.replace() , these control characters didn't get replaced. I've tried this but it's still sticking around.

with io.open('infile', 'r', encoding='utf8') as fin:
    for line in fin:
        line = line.replace(u'\u0094', '"').replace(u'\u0093', '"').replace(u'\u0092', "'").replace(u'\u0096', '"').replace(u'\u0084', '"')

How do I get these strings replaces? Is there a cannonical way to replace these strings (they look like quotation marks / whitespaces of various kind)?

What are these characters anyway? What is u'\„' ?

Answer 1

上次遇到该问题时，是因为我从ascii范围以外获取字符，所以边界错误。