my $line1 = 'Oct  9 08:50:53 mail_server sendmail[30172]: j99FopoN0301
+72: from=<support@symantec.com>, size=0, class=0, nrcpts=0, proto=ESM
+TP, daemon=MTA, relay=[218.1.114.182]';
my $line2 = 'Oct  9 04:20:35 mail_server sendmail[20773]: j975sOqf0323
+12: to=<522-2204194-1-13-51954mpxas@dimexpress.com>, delay=2+05:26:11
+, xdelay=00:00:00, mailer=esmtp, pri=19293815, relay=mail.xpress.com'
+;
if ($line1 =~ /relay=\[?(.*?)\]?$/) {
    print $1, "\n";
}
if ($line2 =~ /relay=\[?(.*?)\]?$/) {
    print $1, "\n";
}

[download]

This prints:

218.1.114.182
mail.xpress.com

[download]

In reply to Re^3: Help with pattern matching by pg
in thread Help with pattern matching by mhearse

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