Title: Doesn't account for all domains
Date: 4/14/2022 2:13:25 PM
This doesn't account for 4-letter domains
Title: Many false negatives!
Date: 7/2/2009 6:02:17 PM
Too many things wrong with this one to consider using it. For starters, top-level domains greater than 3 chars, such as .store and .museum, will be failed.
Title: only it doesn't work
Date: 6/16/2003 3:59:24 PM
Except that per RFC 822 (http://www.w3.org/Protocols/rfc822/Overview.html), the following email addresses are valid but would be trapped as invalid by this code. Specifically, look at Appendix A (http://www.w3.org/Protocols/rfc822/Overview.html#z10), section A.3.3.<br><br>
"Some Silly User"@example.com<br>