Script:

#!/usr/bin/env perl
use strict;
use warnings;
use diagnostics;
use feature 'say';

while (<DATA>) {
    chomp;
    if ($_ ne q{}) {
        s/Positive\sfor\s//;
        while (/
            (?:and\s)?
            ((?:\w+\s)+) # Remember disease name
            \(
                ([^\)]+) # Remember list of family members
            \)
        /xg) {
            my ($disease, @persons) = ($1, map {
                s/^\s+//;
                s/\s+$//;
                $_;
            } split /;|,/, $2);
            $disease =~ s/\s$//;
            foreach my $person (@persons) {
                say "$person || $disease";
            }
        }
    }
}
close DATA
    or die 'Could not close DATA: ', $!;

__DATA__

Positive for Depression (  mother ; sister  ),  Type 2 Diabetes (  fat
+her ; mother ; grandparents  ) and  Anxiety ( mother) .

Cancer ( mother, grandmother )

[download]

Output:

mother || Depression
sister || Depression
father || Type 2 Diabetes
mother || Type 2 Diabetes
grandparents || Type 2 Diabetes
mother || Anxiety
mother || Cancer
grandmother || Cancer

[download]

In reply to Re: Extracting multiple match and reorganizing order with Regex by brilant_blue
in thread Extracting multiple match and reorganizing order with Regex by NewMonk2Perl

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.