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  1. Prepare
  2. Python
  3. Python Functionals
  4. Validating Email Addresses With a Filter
  5. Discussions

Validating Email Addresses With a Filter

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  • thainguyen2893
     + 0 comments
    import re
def fun(s):
    pattern = re.compile(r'^[a-zA-Z0-9_-]+@[a-zA-Z0-9]+\.[a-zA-Z]{1,3}$')
    return pattern.match(s)

  • murdockmichael22
     + 0 comments
    def fun(s):
    return re.match(
        r'^[a-zA-Z0-9_-]+@[a-zA-Z0-9]+\.[a-zA-Z]{1,3}$', s)

  • anujpathare
     + 0 comments
    import re

def fun(s):
    # return True if s is a valid email, else return False
    if bool(re.fullmatch('^[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[.][a-zA-Z]{,3}$', s)):
        return(True)
    else:
        return(False)

def filter_mail(emails):
    return list(filter(fun, emails))

if __name__ == '__main__':
    n = int(input())
    emails = []
    for _ in range(n):
        emails.append(input())

filtered_emails = filter_mail(emails)
filtered_emails.sort()
print(filtered_emails)

  • abinaboobacker_k
     + 0 comments

    whats the runtime error in these code

    def fun(s): # return True if s is a valid email, else return False if "@" in s: username, rest = s.split('@') if "." in rest: web_name, ext = rest.split('.') if username and web_name and ext.isalpha() and len(ext) <= 3 and web_name.isalnum() and all(ch.isalnum() or ch in '-_' for ch in username): return True return False def filter_mail(emails): return list(filter(fun, emails))

    if name == 'main': n = int(input()) emails = [] for email in range(n): emails.append(input())

    filtered_emails = filter_mail(emails) filtered_emails.sort() print(filtered_emails)

  • abhishekk962
     + 0 comments
    def fun(s):
    return bool(re.match(r"^[a-zA-Z0-9\-_]+@[a-zA-Z0-9]+\.[a-zA-Z]{1,3}$", s))
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