Mail Address Extractor

#!/bin/env python

# This script can be used to extract each email address present in a log
# and print its one per line

# Do you like it? follow me on telegram: http://t.me/linuxcheatsheet
# Author: Gianluca Mascolo
# Mailto:  gianluca _at_ gurutech _dot_ it

# Requirement: https://github.com/JoshData/python-email-validator
# Download this script locally on your computer
# and install python-email-validator to run it

import sys
import re
from email_validator import validate_email, EmailNotValidError

# I will read standard input line by line
# use a regex to find something that is similar to an email address
# and validate it using email validator
# if ok print it, otherwise go ahead
for line in sys.stdin:
  EmailList = re.findall(r"\b[a-zA-Z0-9+!#$%&'=?_.^~-]+@[a-zA-Z0-9_+.-]+\b", line)
  for Email in EmailList:
    try:
      v = validate_email(Email,check_deliverability=False)
      print (v['email'])
    except EmailNotValidError:
      pass