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Python Data Type Q&A » string » slice 

1. String Slicing Python    stackoverflow.com

I have a string, example:

s = "this is a string, a"
where ','(comma) will always be the 3rd last character, aka s[-3]. I am thinking of ways to remove the ',' but can ...

2. What is the purpose of the two colons in this Python string-slicing statement?    stackoverflow.com

For example,

str = "hello"
str[1::3]
And where can I find this in Python documentation?

3. Need some help with python string / slicing operations    stackoverflow.com

This is a very newbie question and i will probably get downvoted for it, but i quite honestly couldn't find the answer after at least an hour googling. I learned how ...

4. Slice a string after a certain phrase?    stackoverflow.com

I've got a batch of strings that I need to cut down. They're basically a descriptor followed by codes. I only want to keep the descriptor.

'a descriptor dps 23 fd'
'another 23 ...

5. Python slicing a string using space characters and a maximum length    stackoverflow.com

I'd like to slice a string up in a similar way to .split() (so resulting in a list) but in a more intelligent way: I'd like it to split it into ...

6. Python 3 string slice behavior inconsistent    stackoverflow.com

Wanted an easy way to extract year month and day from a string. Using Python 3.1.2 Tried this:

processdate = "20100818"
print(processdate[0:4])
print(processdate[4:2])
print(processdate[6:2])
Results in:
...2010
...
...
Reread all the string docs, did some searching, can't figure out why it'd ...

7. Why can I update a list slice but not a string slice in python?    stackoverflow.com

Just curious more than anything why python will allow me to update a slice of a list but not a string?

>>> s = "abc"
>>> s[1:2]
'b'
>>> s[1:3]
'bc'
>>> s[1:3] = "aa"

>>> l ...

8. Slicing lists and strings to negative zero    stackoverflow.com

I've read the Python informal tutorial on slicing, which all makes sense to me except for one edge case. It seems like

'help'[:-0]
should evaluate to 'help', but it really evaluates ...

9. How do I slice a string every 3 indices?    stackoverflow.com

I'm using Python to program for the lab I work at. How can I slice out every 3 characters in a given string and append it to a list? i.e. XXXxxxXXXxxxXXXxxxXXXxxxXXX (where ...

10. Does Python do slice-by-reference on strings?    stackoverflow.com

I want to know if when I do something like

a = "This could be a very large string..."
b = a[:10]
a new string is created or a view/iterator is returned

11. Python string slice    stackoverflow.com

How can i slice a string comparing with my list.

string = "how to dye my brunet hair to blonde? "
list = ['how', 'how to',...]
I want the code to remove "how to" ...

12. String slicing in python    stackoverflow.com

I want to slice word from the end.Suppose, I have some line with case sensitives(Upper/lower case)

Abc Defg Hijk Lmn
Xyz Lmn jkf gkjhg
I want to slice them as like below :
Abc ...

13. Slice string in python    stackoverflow.com

I just want to slice string from the beginning.As like I have a sentences:

"All the best wishes"
I want to get
"the best wishes" , "best wishes", "wishes".
Any solution please,Thanks!

14. python string slicing with a list    stackoverflow.com

Here is my list:

liPos = [(2,5),(8,9),(18,22)]
The first item of each tuple is the starting position and the second is the ending position. Then I have a string like this:
s = "I hope ...

15. Python String Slicing Stride Clarification    stackoverflow.com

So I don't really get the deal with the stride parameter in slicing.
For example, "123456"[::-2] produces "642", but why does "123456"[1::-2] produce "2" and "123456"[2:::-2] produce "31"?

16. String Wont' Slice?    python-forum.org

17. string slicing with three indices    python-forum.org

The third number in the slice is the step size. So word[::-1] means all elements of word with a step size of -1. That is start at 0 then go one step -1 (g), one step -1 (f)... word[-2::-1] means start at -2 (f) and then step through the string in steps of -1.

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