In this python tutorial, We will discuss how to split a string using regex in python. In my last blog, we discussed How to create a string and assign it to a variable in python
We will also cover the below topics here
- How to split a string by comma in python
- How to split a string by space in python
- How to split a string by delimiter in python
- How to split a string by character in python
- How to split a string using split function in python
- How to split a string last element in python
- How to split a string every character in python
- How to split a string multiple separators in python
- How to split a string by index in python
If you are new to Python, then you can download and install Python, as well as you can create your first hello world program in Python.
Also you can know why python is popular and how does python works.
Contents
- How to split a string using regex in python
- How to split a string by comma in python
- How to split a string by space in python
- How to split a string by delimiter in python
- How to split a string by every character in python
- How to split a string by split function in python
- How to split a string by the last element in python
- How to split a string by multiple separators in python
- How to split a string by index in python
How to split a string using regex in python
In python, we can split a string using regular expression. Let us see how to split a string using regex in python.
We can use re.split() for the same. re is the module and split() is the inbuilt method in that module.
For example
import re
myvar = 'sky1cloud3blue333red'
print(re.split('\d+', myvar))
Note: Make sure to import the re module or else it will not work.
The output will be
['sky', 'cloud', 'blue', 'red']
See the output here
How to split a string by comma in python
We can split the string using comma as a separator in python.
Let’s see an example and see how it,s working
Example:
mystring = "Hey, I love Python, Python is easy"
x = mystring.split(",")
print(x)
The output will be
['Hey', ' I love Python', ' Python is easy']
See the output here
How to split a string by space in python
You can also split a string by using space as a separator in python.
By default the split() method uses space as a separator while splitting the string.
For example:
mystring = "sky blue red cloud"
x = mystring.split()
print(x)
The output will be
['sky', 'blue', 'red', 'cloud']
Example:
Split the string into a list
mystring = "sky blue red cloud"
x = mystring.split()
for temp in mystring:
print(temp)
The output will be
s
k
y
b
l
u
e
r
e
d
c
l
o
u
d
See here the output
How to split a string by delimiter in python
We can split the string by delimiter
Example:
myvar = 'I love python'
# This splits at space
print(myvar.split())
nature = 'sky, cloud, blue'
# This splits at ','
print(nature.split(','))
nature = 'sky:cloud:blue'
# This splits at ':'
print(nature.split(':'))
The output will be
['I', 'love', 'python']
['sky', ' cloud', ' blue']
['sky', 'cloud', 'blue']
See below for the output
How to split a string by every character in python
Let’s discuss here, how to split the string with array of character or list of character.
1- How to split a string into array of characters using for loop
We can split a string into array of characters using for loop.
Example:
def charactersplit(str):
return [ch for ch in str]
mystr = 'I love python'
print(charactersplit(mystr))
Output will be
['I', ' ', 'l', 'o', 'v', 'e', ' ', 'p', 'y', 't', 'h', 'o', 'n']
See output here
2- How to split string into array of characters by typecasting string to list
We can split a string into array of characters by typecasting string to list.
Example:
def charactersplit(str):
return list(str)
mystr = 'I love python'
print(charactersplit(mystr))
Output will be
['I', ' ', 'l', 'o', 'v', 'e', ' ', 'p', 'y', 't', 'h', 'o', 'n']
See output here
How to split a string by split function in python
We can split a string by split function in python.
For example:
mystring = "sky cloud blue red"
x = mystring.split()
print(x)
Output will be
['sky', 'cloud', 'blue', 'red']
See output here
How to split a string by the last element in python
We can split the last element of a string in python. Let’s discuss on the same
1- How to split a string by the last element using rsplit()
We can use rsplit() function to split the last element of a string in python.
Example:
# initializing string
mystring = "sky, cloud, blue, red"
# rsplit() to split the string
result = mystring.rsplit(', ', 1)
print(str(result))
The output will be
['sky, cloud, blue', 'red']
See the output here
2- How to split a string by the last element using rpartition()
We can use rpartition() function to split the last element of a string in python.
Example:
# initializing string
mystring = "sky, cloud, blue, red"
# rsplit() to split the string
result = mystring.rpartition(', ')
print(str(result))
Note: rpartition() will take only one argument or else it will show you an exception “TypeError: rpartition() takes exactly one argument (2 given)”
The output will be
('sky, cloud, blue', ', ', 'red')
See the output here
How to split a string by multiple separators in python
We can use split() to split the string with one separator at a time.
If you want to use multiple separator to split the string we can use re.split() instead of split().
For Example
import re
myvar = 'sky,cloud;blue, red'
print(re.split(r'[;,\s]\s*', myvar))
The output will be
['sky', 'cloud', 'blue', 'red']
See the output here
How to split a string by index in python
We can also split a string by index in python.
Example 1:
mystring = 'I love python It is easy to learn'
indices = [0,6,13]
x = [mystring[index:] for index in indices]
for mystring in x:
print (mystring)
The output will be
I love python It is easy to learn
python It is easy to learn
It is easy to learn
See the above output
Example 2:
mystring = 'I love python It is easy to learn'
indices = [0,6,13]
x = [mystring[i:j] for i,j in zip(indices, indices[1:]+[None])]
for mystring in x:
print (mystring)
Output will be
I love
python
It is easy to learn
See the output here
You may like following below Python Tutorials:
- How does python work? how python is interpreted?
- How to create a variable in python
- How to create a string and assign it to a variable in python
- Python String Functions
Conclusion
Python is the most popular open-source object-oriented programming language and it is easy to learn and syntax wise it is very simple.
We can use re.split() for the same. re is the module and split() is the inbuilt method in that module.
We can split the string using comma,space and other delimiter as a separator in python.
We can use rsplit() and rpartition() functions to split the last element of a string in python
This python tutorial explains the below points:
- How to split a string using regex in python
- How to split a string by comma in python
- How to split a string by space in python
- How to split a string by delimiter in python
- How to split a string by every character in python
- How to split a string using split function in python
- How to split a string last element in python
- How to split a string multiple separators in python
- How to split a string by index in python
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