I'd appreciate it if tutorials on regex would use such methods. Sorry, but it still hurts this noob's brain to try to decipher (let alone write) regex. ...and

I'd appreciate it if tutorials on regex would use such methods. Sorry, but it still hurts this noob's brain to try to decipher (let alone write) regex. ...and I feel really bad about "cookbooking" by cutting and pasting someone else's regex solution (even just for checking validity of an email address) without making sure it makes sense to me.