Email Validation

[eluser]cbwd[/eluser]
Just a quick question if anyone knows the answer off the top of their heads...

Is CI's email validation regex RFC2822 compliant?

"/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix"