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How do I remove a substring from the end of a string?
(23 answers)
Closed 6 months ago.
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Can someone please do this? Shouldn't the print command print There is a space. Here it is skipping as well while it should not. TIA
The argument of the method rstrip(characters) is a string of characters that will be removed from the right. That means, that the right-most char in the some_sentence string is in the set characters, it will be removed. And that's done until the right-most char is not in the set to be removed.
See https://docs.python.org/3/library/stdtypes.html?highlight=rstrip#str.rstrip
What you want to accomplish is done with .removesuffix()
Related
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Best way to convert string to bytes in Python 3?
(5 answers)
Closed 8 months ago.
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I am able to define a bytes string as follows:
string = b"0x340xEF"
I want to cast an already made string. Let us call it string into a bytes string. How do I perform this? bytes(string) is not giving me an equivalent result.
You need to encode the string to be able to convert it to bytes:
string = "b0x340xEF".encode("latin-1")
print(string)
Output:
b'b0x340xEF'
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What is the difference between re.search and re.match?
(9 answers)
Closed 1 year ago.
See title. The behavior here is counterintuitive. I think maybe I am missing some flags or something? Why does the regex z not match the string az?
The reason is that match only matches the beginning of a string. Must use search to do the thing that match would do in all other programming languages.
Sorry to throw shade at you Python, but you're the odd one out here.
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Python string.strip stripping too many characters [duplicate]
(3 answers)
Closed 5 years ago.
lstrip removed additional character, please help me understand it why. Is it removing all the input characters from the beginning?
'http://twitter.com/c_renwick'.lstrip('http://twitter.com/')
>>>'_renwick'
lstrip takes a list of characters to remove from the string. As c is in the list you provided, it gets removed
To achieve what you actually want, use replace:
'http://twitter.com/c_renwick'.replace('http://twitter.com/','')
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Is there a way to convert number words to Integers?
(17 answers)
Closed 5 years ago.
What is the best way to parse non-digit strings e.g. "twenty two"->22 to integer or double values in python ? Especially what is the best way to detect that region if there are additional words in a sentence.
Thanks
https://github.com/akshaynagpal/w2n this has pip install
Original Comment here
https://stackoverflow.com/a/34569447
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Understanding slicing
(38 answers)
Closed 9 years ago.
I am new to python. Please anybody explain the following string operations
s="abcdefghijklmnop"
print s[:6][::-1] #is it first calculating s[:6] and then operating the result with [::-1] ?
"abcdefghijklmnop"[:6][::-1]
Take first 6 characters (abcdef).
Read the result from the end to the beginning (fedcba).
There is an other better way to get this result:
"abcdefghijklmnop"[5::-1]