Regex in python

Python regex

import re

# Regex Cheat sheet : https://www.dataquest.io/blog/regex-cheatsheet/
# Regex python tester : https://pythex.org/
# re doc : https://docs.python.org/3/library/re.html

text = "i like train" 
reg = r"[a-c]" #the group of char a to c

if re.match(reg, text): #Check if regex is correct
	print(text)
else:
  print("Not any match")

Re python3

import re
>>> m = re.search('(?<=abc)def', 'abcdef')
>>> m.group(0)
'def'

Source: docs.python.org

Regex in python

import re

text = "test1, test2, test3"
regex = re.compile(r"test1")

# Returns range of first match
print(regex.match(text).span())

# Returns text with all matches replaces with other text
print(regex.sub("replace", text))

# Returns every match
print(regex.findall(text))

# OUT:
#
# (0, 5)
# replace, replace, replace
# ['test1', 'test2', 'test3']

How to learn regex pyton

re.search(r'cake$', "Cake! Let's eat cake").group()

## The next search will return the NONE value, try it:
re.search(r'cake$', "Let's get some cake on our way home!").group()

Source: datacamp.com

Similar codes

0 vote138 views1 answer
How to get ouput from python?
Python
0 vote124 views1 answer
Python unzip list of tuples
Python
0 vote122 views1 answer
Sort for Linked Lists python
Python
2 votes122 views1 answer
Lexicographic order python
Python
0 vote132 views1 answer
How to use drf pagination directly
Python
7 votes132 views3 answers
Sum of a numpy array
Python
1 vote156 views1 answer
Log base 2 python
Python
3 votes122 views1 answer
Extended euclidean python
Python
1 vote133 views1 answer
RuntimeError: error in LoadLibraryA
Python
0 vote121 views4 answers
Alexa in python
Python