Email Address Regular Expression That 99.99% Works.Just copy and paste the email regex below for the language of your choice. Feeling hardcore (or crazy, you decide)? Read the official RFC 5322, or you can check out this Email Validation Summary. Note there is no perfect email regex, hence the 99.99%. General Email Regex (RFC 5322 Official Standard) (?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\
regex101: build, test, and debug regex
