Friday, September 18, 2009 12:30:00 PM
Most complete email regex I have found...
It is adaptaion of RFC 2822 from (http://www.regular-expressions.info/email.html) to allow upper & lower case & not allow comma
RegexStringValidator x = new RegexStringValidator("(?:[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*|\"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x7f\x2c]|\\[\x01-\x09\x0b\x0c\x0e-\x7f\x2c])*\")@(?:(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?\\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?|\\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-zA-Z0-9-]*[a-zA-Z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f\x2c]|\\[\x01-\x09\x0b\x0c\x0e-\x7f\x2c])+)\\])");