Version 4 of Regular expression to validate e-mail addresses

Updated 2002-01-31 17:24:15

[Explain why it's bad idea. Always. Point to Friedl RE, link to REs, refer to Perl FAQ, and ...]

[Pertinent Perl stuff:

• ASPN Cookbook 68432 [L1 ]
• lyris.com validator www.lyris.com/help/HowdoIvalidateEmailAddressesinmyPerlprograms_.html
• miscellaneous CPAN stuff, including Mail::RFC822::Address

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Don Libes wrote "Authentication by Email Reception" [L2 ] to describe "use of email addresses as an authentication mechanism ... [which] provides reasonable security at very low cost ..."

tcllib / mime contains commands to parse email addresses.