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Regexp::Common::SEN(3)               User Contributed Perl Documentation              Regexp::Common::SEN(3)



       sub par11 {
           my $string = shift;
           my $sum    = 0;
           for my $i (0 .. length ($string) - 1) {
               my $c = substr ($string, $i, 1);
               $sum += $c * (length ($string) - $i)
           }
           !($sum % 11) }

       It's not clear whether this is the right checksum.

       #
       http://www.google.nl/search?q=cache:8m1zKNYrEO0J:www.enschede.nl/nieuw/projecten/aanbesteding/integratie/pve%2520Bijlage%25207.5.doc+Sofi+nummer+formaat&hl=en&start=56&lr=lang_en|lang_nl&ie=UTF-8
       pattern name   => [qw /SEN Netherlands SoFi/],
               create => sub {
                   # 9 digits (d1 d2 d3 d4 d5 d6 d7 d8 d9)
                   # 9*d1 + 8*d2 + 7*d3 + 6*d4 + 5*d5 + 4*d6 + 3*d7 + 2*d8 + 1*d9
                   # == 0 mod 11.
                   qr /([0-9]{9})(?(?{par11 ($^N)})|(?!))/;
               }
               ;

NAME
       Regexp::Common::SEN -- provide regexes for Social-Economical Numbers.

SYNOPSIS
        use Regexp::Common qw /SEN/;

        while (<>) {
            /^$RE{SEN}{USA}{SSN}$/    and  print "Social Security Number\n";
        }

DESCRIPTION
       Please consult the manual of Regexp::Common for a general description of the works of this interface.

       Do not use this module directly, but load it via Regexp::Common.

       $RE{SEN}{USA}{SSN}{-sep}

       Returns a pattern that matches an American Social Security Number (SSN).  SSNs consist of three
       groups of numbers, separated by a hypen ("-").  This pattern only checks for a valid structure, that
       is, it validates whether a number is valid SSN, was a valid SSN, or maybe a valid SSN in the future.
       There are almost a billion possible SSNs, and about 400 million are in use, or have been in use.

       If "-sep=P" is specified, the pattern P is used as the separator between the groups of numbers.

       Under "-keep" (see Regexp::Common):

       $1  captures the entire SSN.

       $2  captures the first group of digits (the area number).

       $3  captures the second group of digits (the group number).

       $4  captures the third group of digits (the serial number).

HISTORY
        $Log: SEN.pm,v $
        Revision 2.102  2005/01/02 01:17:48  abigail
        - Removed 'use Carp', as we aren't using it.
        - Outcommented unused 'par11' function. Ought to be in _support.pm anyway.

        Revision 2.101  2004/06/09 21:52:14  abigail
        Force 2.101 version

        Revision 2.1  2004/06/09 21:50:14  abigail
        Initial checkin

SEE ALSO
       Regexp::Common for a general description of how to use this interface.

AUTHORS
       Damian Conway and Abigail.

MAINTAINANCE
       This package is maintained by Abigail (regexp-common@abigail.nl).

BUGS AND IRRITATIONS
       Bound to be plenty.

       For a start, there are many common regexes missing.  Send them in to regexp-common@abigail.nl.

COPYRIGHT
                 Copyright (c) 2001 - 2003, Damian Conway and Abigail.
               All Rights Reserved. This module is free software. It may
               be used, redistributed and/or modified under the terms of
                               the Perl Artistic License
                   (see http://www.perl.com/perl/misc/Artistic.html)



perl v5.8.8                                      2005-01-01                           Regexp::Common::SEN(3)