从 Python 输入中删除从右到左的标记和其他 unicode 字符 [英] Removing right-to-left mark and other unicode characters from input in Python

问题描述

我正在用 Python 编写一个论坛.我想删除包含从右到左标记之类的输入.建议?可能是正则表达式?

I am writing a forum in Python. I want to strip input containing the right-to-left mark and things like that. Suggestions? Possibly a regular expression?

推荐答案

如果您只是想将字符限制为特定字符集的字符，您可以使用该字符集对字符串进行编码并忽略编码错误:

If you simply want to restrict the characters to those of a certain character set, you could encode the string in that character set and just ignore encoding errors:

><预><代码>>>>uc = u'aäöüb'>>>uc.encode('ascii', '忽略')'ab'

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