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Put to rest the 20010205.001, the email address checking (not) regex.
[perl5.git] / pod / perlfaq9.pod
index c4f4302..d234cf4 100644 (file)
@@ -352,10 +352,10 @@ deliverable which are compliant.
 
 Many are tempted to try to eliminate many frequently-invalid
 mail addresses with a simple regex, such as
-C</^[\w.-]+\@([\w.-]+\.)+\w+$/>.  It's a very bad idea.  However,
+C</^[\w.-]+\@(?:[\w-]+\.)+\w+$/>.  It's a very bad idea.  However,
 this also throws out many valid ones, and says nothing about
-potential deliverability, so is not suggested.  Instead, see
-http://www.perl.com/CPAN/authors/Tom_Christiansen/scripts/ckaddr.gz ,
+potential deliverability, so it is not suggested.  Instead, see
+http://www.perl.com/CPAN/authors/Tom_Christiansen/scripts/ckaddr.gz,
 which actually checks against the full RFC spec (except for nested
 comments), looks for addresses you may not wish to accept mail to
 (say, Bill Clinton or your postmaster), and then makes sure that the