Are you substituting @ to /@ or separating the id and domain name. This might give you some hints:

my $line = 'abc.xyz@lmnop.com';
print $line,"\n";
$line=~s/($1)@($2)/$1\t$2/g;
print "\n line is $line";

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In reply to Re: how to substitute '@' in line by snape
in thread how to substitute '@' in line by vishy_acts

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