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 vote181 views1 answer
Groupby Fiscal year
Python
1 vote209 views1 answer
Delete a record by id in flask sqlalchemy
Python
0 vote183 views1 answer
Python get portion of dictionary
Python
265 votes508 views27 answers
Rename column pandas
Python
1 vote170 views5 answers
Numpy argsort
Python
0 vote144 views1 answer
Tuple: Nested Tuple and List
Python
0 vote177 views1 answer
Find highest value in array python
Python
2 votes171 views2 answers
Check string similarity python
Python
35 votes186 views2 answers
Pwd python
Python
-1 vote212 views2 answers
How do you count most frequent item in a list in python
Python