I am working on text files like this:
Chapter 01
Lorem ipsum
dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt
Chapter 02
consectetur adipiscing
sed do eiusmod tempor
Chapter 03
et dolore magna aliqua.
with delimiters like "chapter", "Chapter", "CHAPTER", etc... and 1 or 2 digits ["Chapter 1" or "Chapter 01"].
I
managed to open and read the file in Python, with .open[]
and .read[]
mytext = myfile.read[]
Now I need to split my string, in order to get text for "Chapter XX".
For Chapter 02, that would be :
consectetur adipiscing
sed do eiusmod tempor
I'm new to Python, I read about regex, match, map, or split, but... well...
[I'm writing a Gimp Python-fu plugin, so I use Python version bundled in Gimp, which is 2.7.15].
Hàm split[] trong Python chia chuỗi theo delimeter đã cho [là space nếu không được cung cấp] và trả về danh sách các chuỗi con; nếu bạn cung cấp đối số num thì chia chuỗi thành num + 1 chuỗi con. Cú pháp của split[] trong Python: Chi tiết về tham số: str: Đây là bất kỳ phân chia chuỗi - delimeter nào, mặc định là khoảng trống. num: Số chuỗi con num + 1 được tạo
ra. Ví dụ sau minh họa cách sử dụng của split[] trong Python. Chạy chương trình Python trên sẽ cho kết quả: Cú pháp
str.split[str="", num=string.count[str]]
str1 = "Line1-Python Line2-Java Line3-PHP";
print["Test 1:"];
arr1 = str1.split[];
for arr in arr1:
print [arr];
print["\nTest 2:"];
arr1 = str1.split[' ', 1];
for arr in arr1:
print [arr];
Test 1:
Line1-Python
Line2-Java
Line3-PHP
Test 2:
Line1-Python
Line2-Java Line3-PHP
You have the right idea with escaping the backslashes, but despite how it looks, your input string doesn't actually have any backslashes in it. You need to escape them in the input, too!
Nội dung chính
- Python Programming
- How do you print a backwards slash in Python?
- How do you split text in Python?
- How do you split a string with a dash in Python?
Nội dung chính
- Python Programming
- How do you print a backwards slash in Python?
- How do you split text in Python?
- How do you split a string with a dash in Python?
>>> a = "1\\2\\3\\4" # Note the doubled backslashes here!
>>> print[a.split['\\']] # Split on '\\'
['1', '2', '3', '4']
You could also use a raw string literal for the input, if it's likely to have many backslashes. This notation is much cleaner to look at [IMO], but it does have some limitations: read the docs!
>>> a = r"1\2\3\4"
>>> print[a.split['\\']]
['1', '2', '3', '4']
If you're getting a
elsewhere, and a.split['\\']
doesn't appropriately split on the visible backslashes, that means you've got something else in there instead of real backslashes. Try print[repr[a]]
to see what the "literal" string actually looks like.
>>> a = '1\2\3\4'
>>> print[a]
1☻♥♦
>>> print[repr[a]]
'1\x02\x03\x04'
>>> b = '1\\2\\3\\4'
>>> print[b]
1\2\3\4
>>> print[repr[b]]
'1\\2\\3\\4'
Python Programming
s = r'canada\japan\australia' l = s.split['\\'] print[l]
Output
['canada', 'japan', 'australia']
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How do you print a backwards slash in Python?
Use the syntax "\\" within the string literal to represent a single backslash.
How do you split text in Python?
Use split[] method to split by delimiter. If the argument is omitted, it will be split by whitespace, such as spaces, newlines \n , and tabs \t . Consecutive whitespace is processed together. A list of the words is returned.
How do you split a string with a dash in Python?
Use the str. split[] method to split a string by hyphen, e.g. my_list = my_str. split['-'] .