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Process escape sequences in a string in Python
(8 answers)
Closed 4 months ago.
Suppose I have a string which is a backslash-escaped version of another string. Is there an easy way, i….
Is there a way to declare a string variable in python such that everything inside of it is automatically escaped, or has its literal character value?
I’m not asking how to escape the quotes with slashes, that’s obvious. What I’m asking for is a general purpose way for making everything in a string literal so that I don’t have to manually go throu….
When using os.system() it’s often necessary to escape filenames and other arguments passed as parameters to commands. How can I do this? Preferably something that would work on multiple operating systems/shells but in particular for bash.
I’m currently doing the following, but am sure there must be a library function for this, or at least a more….
Sometimes when I get input from a file or the user, I get a string with escape sequences in it. I would like to process the escape sequences in the same way that Python processes escape sequences in string literals.
For example, let’s say myString is defined as:
>>> myString = “spam\\neggs”
>>> print(myString)
spam\neggs
I want a function (I’ll c….
Does Python have a function that I can use to escape special characters in a string?
For example, I’m “stuck” :\ should become I\’m \”stuck\” :\\.
….
I’d like to use a variable inside a regex, how can I do this in Python?
TEXTO = sys.argv[1]
if re.search(r”\b(?=\w)TEXTO\b(?!\w)”, subject, re.IGNORECASE):
# Successful match
else:
# Match attempt failed
….
I have the following code
test = “have it break.”
selectiveEscape = “Print percent % in sentence and not %s” % test
print(selectiveEscape)
I would like to get the output:
Print percent % in sentence and not have it break.
What actually happens:
selectiveEscape = “Use percent % in sentence and not %s” % test
TypeError: %d format: a number is….
Sample code:
>>> import json
>>> json_string = json.dumps(“ברי צקלה”)
>>> print(json_string)
“\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4”
The problem: it’s not human readable. My (smart) users want to verify or even edit text files with JSON dumps (and I’d rather not use XML).
Is there a way to serialize objects into UTF-8 JSON strings (instead ….