regex to extract email address from string python code example

Example 1: extract email address using expression in django

import re
s = 'Hello from [email protected] to [email protected] about the meeting @2PM'
  
# \S matches any non-whitespace character 
# @ for as in the Email 
# + for Repeats a character one or more times 
lst = re.findall('\S+@\S+', s)
print(lst)
#['[email protected]', '[email protected]']

Example 2: python - regexp to find part of an email address

# Visit: https://regexr.com/
# and look at the Menu/Cheatsheet
import re

# Extract part of an email address
email = '[email protected]'

# Option 1
expr = '[a-z]+'
match = re.findall(expr, email)
name = match[0]
domain = f'{match[1]}.{match[2]}'

# Option 2
parts = email.split('@')

Example 3: find email address pytho

import re
line = "should we use regex more often? let me know at  [email protected]"
match = re.search(r'[\w\.-]+@[\w\.-]+', line)
match.group(0)
'[email protected]'