/usr/share/perl5/auto/Data/Validate/Email/is_username.al is in libdata-validate-email-perl 0.04-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | # NOTE: Derived from blib/lib/Data/Validate/Email.pm.
# Changes made here will be lost when autosplit is run again.
# See AutoSplit.pm.
package Data::Validate::Email;
#line 342 "blib/lib/Data/Validate/Email.pm (autosplit into blib/lib/auto/Data/Validate/Email/is_username.al)"
# -------------------------------------------------------------------------------
sub is_username{
my $self = shift if ref($_[0]);
my $value = shift;
return unless defined($value);
my($username) = $value =~ /^([a-z0-9_\-\.]+)$/i;
return $username;
}
1;
# end of Data::Validate::Email::is_username
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