rsplit() : Break a string using delimiter from rigth side by using maximum number of occurance in Python

rsplit() returns a list after breaking a string using delimiter and max value

my_str.rsplit(delimiter,max_value)

delimiter : to be used to break the string
max_value : optional , the number of elements in output plus one. Default value is -1 so it includes all occurance.

my_list="'Alex','Ronald','John'"
my_list=my_list.rsplit(',')
print(my_list)

output

["'Alex'", "'Ronald'", "'John'"]

Without delimiter

my_list="'Alex','Ronald','John'"
my_list=my_list.rsplit()
print(my_list)

["'Alex','Ronald','John'"]

If delimiter is not found

my_list="'Alex','Ronald','John'"
my_list=my_list.rsplit('*')
print(my_list)

Output

["'Alex','Ronald','John'"]

Using one email address to separate domain and userid part

my_list="userid@example.com"
my_list=my_list.rsplit('@')
print(my_list)

Output

['userid', 'example.com']

difference between rsplit() and split()

We can use optional value max_value to specify number of splits. After reaching this max_value rest of the string is returned as it is without any further break.
See the difference in output below.

my_str='Welcome to plus2net'
print(my_str.rsplit('e')) # without any max_value 
print(my_str.rsplit('e',2))
print(my_str.split('e',2))

Output

['W', 'lcom', ' to plus2n', 't']
['Welcom', ' to plus2n', 't']
['W', 'lcom', ' to plus2net']

All String methods

ljust() capitalize() Python- Tutorials

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