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$bday = "8/16/97"; $firstname = "Benjamin"; ... $login_name = lc $new_username_a[0]; $login_name .= lc $new_username_b[0]; $login_name .= $bday;
$login_name = "$firstname $lastname $bday"; $login_name = s/^(^\C)\s(^\C)\s(^\d{1,2})\/(\d{1,2})\/(\d{1,2})/$1$2$3 +$4/; #notice that to 2 digit bit is not reflected by this regex