Thanks for the guidance. I do have some code, but I didn't figure it would help to see it if I didn't provide the file it's trying to extract data from. But I'll place it here anyway. <\p>

while(<STDIN>)
{

    @section = split /Class: Invoice/, $_;
    @AdminData = split /\n/, $section[0];
    @BodyTemp = split /Administrative Data:/, $_;
    @Body = split /Reply: click here/, $BodyTemp[0];
    
    @Splitterhold = split/Payment Detail - Payment ID /, $_;
    
    foreach $Splitterhold(@Splitterhold)
    {
    $Splitterhold =~ s/InvoiceDate /Invoice Dateĉ /g;
    $Splitterhold =~ s/Customer ID /CustomerIDĉ /g;
    $Splitterhold =~ s/^Phone /Phoneĉ /g;
    $Splitterhold =~ s/Txn Type Post Day Amount \(USD\)\n/InvoiceDateĉ
+ /g;
    $Splitterhold =~ s/Card Type Card Number Exp Date BIN\n/CreditCard
+ĉ /g;
    $Splitterhold =~ s/Name /Nameĉ /g;
    $Splitterhold =~ s/Address Line 1 /Addressĉ /g;
    $Splitterhold =~ s/City /Cityĉ /g;
    $Splitterhold =~ s/State /Stateĉ /g;
    $Splitterhold =~ s/Email Address /EmailAddressĉ /g;
    $Splitterhold =~ s/Home phone number /Homephonenumberĉ /g;
    $Splitterhold =~ s/Last modified on /Lastmodifiedonĉ /g;
    
    }

    #@sector = split /Payment Detail -/, $section[1], /administration 
+>/;
    
    if  ($#Splitterhold > 0)
    {
        
        for ($x = 0; $x < $#Splitterhold; $x++)
        {
            @Split = split/\n/, $Splitterhold[$x];
            @parse = split /ĉ/, @Split;
            if ($#parse > 0)
            {
            $parse[0] =~ s/\W//g;
            $parse[1] =~ s/\-//g;
            @AO{$parse[0]} = $parse[1];
            
            }
            if ($#parsezero > 0)
            {
                $parsezero[1]=~ s/\-//g;
                $IV{$parsezero[0]} = $parsezero[1];
                @IVone = push (@IV, @IV);
                print $IV;
            }            
                
            
        }
    }    
    $Body[1] =~ s/^one$/1/gi;
    $Body[1] =~ s/^two$/2/gi;
    $Body[1] =~ s/^three$/3/gi;
    $Body[1] =~ s/^four$/4/gi;
    $Body[1] =~ s/^five$/5/gi;
    $Body[1] =~ s/^six$/6/gi;
    $Body[1] =~ s/^seven$/7/gi;
    $Body[1] =~ s/^eight$/8/gi;
    $Body[1] =~ s/^nine$/9/gi;
    $Body[1] =~ s/^zero$/0/gi;
    $Body[1] =~ s/0ne/1/gi;
                
    @PostingBody = split/\n/, $Body[1];
    for ($x = 0; $x < $#PostingBody; $x++)
    {
        $PostingBody[$x] =~ s/\s//gi;
        $PostingBody[$x] =~ s/\W//gi;
        $MC = NULL;
        if ($PostingBody[$x] =~ m/\d{3}.*\d{3}.*\d{4}/)  
        {
            $PostingBody[$x] =~ s/\D//gi;
            $PostingBody[$x] =~ s/\W//g;
            $MC{'Digits'} = $PostingBody[$x];
        }
            
    }
    
    
            
    
            
        
    @elements=('Digits');
    for($x=0; $x< @elements; $x++)
    {
        print ($MC{$elements[$x]}."\t\t");
        $MC = "";
    }

    @elements=("PostID","Location","posted","Reply","Postersage","Part
+ner",
    "AdType","PaidAd","AdPrice","Whitelisted","Name","Phone","Email","
+UserCreated","Settings",
    "Referrer","IP","AdCreated");
    for($x=0; $x< @elements; $x++)
    {
        print(@AO{$elements[$x]}."\t");
        $AO = "";
    }
    @elements=("Lastmodifiedon", "InvoiceDate", "CreditCard", "Name", 
+"Address", "City", "State", "EmailAddress", "Homephonenumber", "Custo
+merID");
    for($x=0; $x< @elements; $x++)
    {
        print (@IVone{$elements[$x]}."\t");
        $IV = "";
    }
    {
        print "\n";
    }
    

}
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