Validating email address format php
That’s 27 stabs at the keyboard that could go awry.
UTF-8 characters are used to represent the non-ASCII characters such as Chinese & Japanese characters.
From this day forward, you will no longer squander your time trying to work out the perfect regex to validate email addresses.
You will also never again run the risk of rejecting what is, in fact, a strange, valid email address.
They can get ridiculously convoluted as in the case above and, according to the specification, are often too strict anyway.
If you actually check the Google query I linked above, people have been writing (or trying to write) RFC-compliant regular expressions to parse email addresses for years.