To find the mail id in the given string

Problem to find the mail id in given string. The valid mail id format is [email protected]

Example-2:

Input    : s = Welcome to [email protected]
Output   : ['[email protected]']   

Example-1:

Input    : s = [email protected] and [email protected]
Output   : ['[email protected]', '[email protected]']  

Example-2:

Input    : n = hello world
Output   : []  

Solution

import re 

s = "welcome to [email protected]"

r = re.findall(r"[a-zA-Z0-9][email protected]+[a-zA-Z]+\.+[a-zA-Z]+",s)

print(r)

Output

['[email protected]']