Python split strings by comma

In this post, you will learn how to split strings by comma in Python programming language. In Python, strings are immutable, indexable, and iterable. In the development process, you may come across a situation where you need to split a string by comma. Splitting a string by comma returns a list of the strings between the commas in the first string.

Python string.split() method

Python provides the split() method to split a string into a list. Here is the syntax of the split() method.

string.split(separator, maxsplit)

Here, the separator specifies the separator to use when splitting the string. By default, whitespace is a separator. The maxsplit is a number that specifies how many times the string should be split into a maximum provided number of times. The default value is -1, which is "all occurrences". Both the separator and the maxsplit are optional parameters.

Example1: Python Split String by Comma

In the given Python program, we have taken a string with lumps isolated by commas, split the string, and stored the things in a list.

str = 'Best,platform,to,learn,programming'

str = str.split(',')

print(str)

str1 = 'Success, is, journey'

str1 = str1.split(', ')

print(str1)

['Best', 'platform', 'to', 'learn', 'programming']
['Success', 'is', 'journey']

Example2: Python Split String by One or More Commas

If we apply the string.split() method to a string with more than one comma adjacent to each other, we will get empty chunks in return.

str = 'Success,, is,,, journey'

#split string by ,
chunks = str.split(',')

print(chunks)

['Success', '', ' is', '', '', ' journey']

But what if we want to return the above chunk in a list without any empty items. We can fix this using the re python package.

import re

str = 'Success,, is,,, journey'

#split string by ,
chunks = re.split(',+', str)

print(chunks)

['Success', ' is', ' journey']

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