1. ^([a-zA-Z0-9_\-\.]+)@ Can contain a group of letters (case insensitive) or numbers (0-9), a period, underscore, hyphen and the @ sign is required.
2. ([a-zA-Z0-9_\-\.]+)\. Can contain a group of letters (case insensitive) or numbers (0-9), a period, hyphen, underscore and end with a period. 3. ([a-zA-Z]{2,5})$ Can contain a group of letters (case insensitive), and must be between 2-5 characters in length. Hence: [EMAIL PROTECTED] (or .tv, .net, .biz) -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/