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Nov 17, 2010 · re.escape(string) Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it. As of Python 3.7 re.escape() was changed to escape only characters which are meaningful to regex operations.
May 21, 2012 · The escape is to the function, not the language syntax. Hence if the escape was \% it would actually be \\% when written in ordinary code. <escape><escape> is the typical pattern I've seen, and \ happens to be the most common escape character, for better or worse. –
Jul 16, 2011 · Note the four slashes. Since this is a string \ gets converted to \ (as this is an escaped character). Then in the regular expression, the remaining \ gets again converted to \, as this is also regular experssion escaped character. Result will match a single slash and one of the " and ' quotes.
Nov 28, 2017 · Since the Python interpreter sees the four characters \, x, e and 5 in your source code, it must have a way to convert this sequence into the character å. And (part of) this algorithm is made available to Python programmers through the "unicode_escape" codec, which you can use like "normal" codecs such as "utf-8":
f-strings (python 3) You can avoid having to double the curly brackets by using f-strings ONLY for the parts of the string where you want the f-magic to apply, and use regular (dumb) strings for everything that is literal and might contain 'unsafe' special characters. Let python do the string joining for you simply by stacking multiple strings ...
Sep 10, 2019 · if you want to remove escape charecters which means almost special charecters, i hope this is one of the way for getting only ascii charecters without using any regex or any Hardcoded. inp_str = u'\xd7\nRecord has been added successfully, record id: 92' print inp_str.encode('ascii',errors='ignore').strip('\n') Results : 'Record has been added successfully, record id: 92'
Jun 29, 2011 · i know this question is old, but hopefully it will help someone. i found a great plugin for those who are using PyCharm IDE: string-manipulation that can easily escape double quotes (and many more...), this plugin is great for cases where you know what the string going to be. for other cases, using json.dumps(string) will be the recommended solution
re.escape doesn't double escape. It just looks like it does if you run in the repl. The second layer of escaping is caused by outputting to the screen. When using the repl, try using print to see what is really in the string.
Nov 19, 2021 · From the Python 3 documentation: urllib.parse.quote(string, safe='/', encoding=None, errors=None) Replace special characters in string using the %xx escape. Letters, digits, and the characters '_.-~' are never quoted. By default, this function is intended for quoting the path section of a URL.
May 10, 2018 · The Python reference manual includes several string literals that can be used in a string. These special sequences of characters are replaced by the intended meaning of the escape sequence. Here is a table of some of the more useful escape sequences and a description of the output from them.
