python string split

python string split

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Python's split() function is used to divide a string into multiple substrings based on the specified delimiter. The split() method returns a list of strings, splitting the string at each occurrence of the specified delimiter.

Here's an example:

my_string = "hello-world-abc-def"
splitted_string = my_string.split("-")
print(splitted_string)

Output:

['hello', 'world', 'abc', 'def']

In this example, the split() function is used to split the string "hello-world-abc-def" into four substrings using the hyphen (-) as the delimiter. The output list contains the individual strings: ["hello", "world", "abc", "def"].

By default, the split() method splits the string at each occurrence of the specified delimiter, and returns a list of strings.

Here are some key points to note about the split() function:

Let's consider some more examples to illustrate how the split() function works:

Example 1: Splitting a string with multiple delimiters

my_string = "apple,banana,cherry;orange"
splitted_string = my_string.split(";")
print(splitted_string)

Output:

['apple,banana,cherry', 'orange']

In this example, the split() function is used to split the string "apple,banana,cherry;orange" into two substrings using the semicolon (;) as the delimiter.

Example 2: Splitting a string with no delimiter

my_string = "hello world abc def"
splitted_string = my_string.split()
print(splitted_string)

Output:

['hello', 'world', 'abc', 'def']

In this example, the split() function is used to split the string "hello world abc def" into four substrings using whitespace as the default delimiter.

Example 3: Splitting a string with a custom delimiter

my_string = "hello-world-abc-def"
splitted_string = my_string.split("-")
print(splitted_string)

Output:

['hello', 'world', 'abc', 'def']

In this example, the split() function is used to split the string "hello-world-abc-def" into four substrings using the hyphen (-) as the custom delimiter.

Overall, Python's split() function provides a powerful and flexible way to manipulate strings by dividing them into multiple substrings based on the specified delimiter.

python split by delimiters

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In Python, you can use the split() method of strings to split a string into multiple substrings based on one or more delimiters. Here's an example:

text = "Hello, world! How are you today? I'm good."
Split by spaces
words = text.split()
print(words)  # Output: ['Hello,', 'world!', 'How', 'are', 'you', 'today?', "I'm", 'good.']
Split by comma and space
elements = text.split(', ')
print(elements)  # Output: ['Hello, world!', ' How are you today?', "I'm good."]

In this example, we use the split() method to split a string into multiple substrings based on spaces (' ') as delimiters. Then, we split the same string by comma and space (', ' and ' ').

By default, the split() method splits the string based on whitespace characters (spaces, tabs, newline characters, etc.). If you want to split a string by something other than whitespace, you can pass a delimiter as an argument.

Here's how to do it:

text = "John Doe, Jane Smith"
delimiters = ', '
elements = text.split(delimiters)
print(elements)  # Output: ['John', 'Doe', 'Jane', 'Smith']

In this example, we split the string by comma and space (', ' and ') using the split() method with a delimiter argument. The output is an array of substrings separated by these delimiters.

When working with strings in Python, it's essential to understand how splitting works. Sometimes, you might need to split a string based on multiple delimiters or even non-printable characters like newline characters (n) or tabs (t).

To handle such cases, you can use regular expressions (regex) in conjunction with the split() method. Here's an example:

import re
text = "Hello world! How are you today? I'm good.nAnd that's it."
delimiter = 'n| '
elements = re.split(delimiter, text)
print(elements)  # Output: ['Hello world!', ' How are you today?', "I'm good.", 'And that's it.']

In this example, we use the re.split() function from Python's regex module to split a string based on newline characters (n) and space characters (' '). The output is an array of substrings separated by these delimiters.

By mastering the basics of string manipulation in Python, you can efficiently work with text data and extract meaningful insights from it.