You are right but the sets of patterns can include any number of patterns
which will mean a variable number of foreach loop and I don't know how to
achieve.
thanks
oznur
> On 02/20/04 04:31, Öznur Taştan wrote:
> > You are rigth to confuse beacuse I couldn't find the mail I wrote at the
> > beginning that defines the problem.Sorry..
> > My problem was this
> > I have a sets of patterns
> > and a string
> > and I know in which order these patterns are supposed to exists
> > What I try to do was to extract the substrings when the patterns match
to
> > the string but all the matches including the overlapping ones.
> > The simplified version is the one that Rob solves. That is when the sets
of
> > pattern is H K D (H is the first pattern)
> > So in the link I give as far as i understood it says
>
> If I understand the problem, what you want to do is vary the greediness
> of the match. One way to do that is to generate the regexs. Try this:
>
> #!/usr/bin/perl
>
> use strict;
> use warnings;
>
>
> my $seq = 'xHxxHyyKzDt';
>
> my @pat = ( '(.+)', '(.+?)' );
>
> my %uniq;
>
> for my $a (0..1) {
> for my $b (0..1) {
> for my $c (0..1) {
> for my $d (0..1) {
> my $pat = '^' .
> $pat[$a] . 'H' .
> $pat[$b] . 'K' .
> $pat[$c] . 'D' .
> $pat[$d] . '$' ;
>
> $uniq{"$1 $2 $3 $4"}++ if $seq =~ /$pat/;
> }
> }
> }
> }
>
> print join "\n", keys %uniq;
>
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