RE: [PHP] More Email ereg Validation

Or ([a-zA-Z0-9_\.\-]+)@([a-zA-Z0-9-]+).([a-zA-Z\.]+.?[a-zA-Z]) >> Sorry, but that doesn't work. I thought it would, but it only does two >> characters on the top level domain again. Tested at >> http://www.php.comzept.de/rexpr (thanks Jörg!) >> >> Does anyone else (a regex guru) have any other suggestions? >The most recent regex you had: > ([a-z0-9_\.\-]+)@([a-z0-9\.-]+).([a-z]{2,3}) >would still allow addresses such as ____@---.au or _.-._.@.-.com. >(Actually, with the . there, you could even have _.-._.@.-|com) >Regardless, here's a regex I've adjusted to try and keep the address as >close to good form as possible: > "^[0-9a-z]+([-_./]([0-9a-z]+))*@[0-9a-z]+([-.]([0-9a-z]+))*\\.[a-z]{2,4}$" >A little longer, but it does the trick (I've tried hitting it with a bunch >of possibilities, but I may have missed some. <G>) We have some lists that >contain (valid) email addresses like joe/loc@fs.fed.us, so I've allowed a / >as a separator to the left of the @. (If you don't want to allow this, just >replace [-_./] with [-_.] and it'll be gone. >At the end of the regex, I allow 2-3 characters but this may need to be 2-5 >shortly since the new TLDs may start coming into use. Up to you. >Make sure you use eregi instead of just ereg, or lowercase the email address >before you check it. >We also go a step further and use checkdnsrr to see if there are any (type >ANY that is) records available for the hostname part. Not great, but it at >least tries to see if the hostname exists. >Let me know if it works out for you. >Jaime Bozza >GeoComm International Corp. >-- >PHP General Mailing List (http://www.php.net/) >To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net >For additional commands, e-mail: php-general-help@lists.php.net >To contact the list administrators, e-mail: php-list-admin@lists.php.net