email validation regex python code example

Example 1: python email validation regex

r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"

Example 2: validate email regex python

# From mailtrap.io
# Validate a complex address with hyphens, underscores, periods, starting and ending with alphanumeric characters, and can have subdomains in address

^[a-z]([w-]*[a-z]|[w-.]*[a-z]{2,}|[a-z])*@[a-z]([w-]*[a-z]|[w-.]*[a-z]{2,}|[a-z]){4,}?.[a-z]{2,}$