use strict;
my $str = '1 - Primeira Clausura.
1.1 - Primeiro paragrafo.
1.2 - Segundo Paragrafo
...ddd
2 - Segunda Clausura.
2.1 - Primeiro paragrafo da segunda clausura.
2.2 - Segundo paragrafo da segunda clausura.
...
3 - Terceira Clausura.
3.1 - Terceiro paragrafo da Terceira clausura.
3.2 - STerceiro paragrafo da Terceira clausura.
...
/([0-9.]+)s-/g';
my $regex = qr/([0-9.]+)\s\-/p;
if ( $str =~ /$regex/g ) {
print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n";
# print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n";
# print "Capture Group 2 is $2 ... and so on\n";
}
# ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p'
# Named capture groups can be called via $+{name}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html