use strict;
my $str = '1º LEILÃO - 25 de outubro 2018 às 14h30min - LANCE MÍNIMO R$ 260.000,00
2º LEILÃO - 06 de novembro 2018 às 14h30min
06 de novembro de 2018 às 14h30min';
my $regex = qr/([0-9]{1,2}\s+d\s?e?\s+\&?\&?[a-zà-ü]{4,9}\s+[0-9]{4}\,?\s?([àa]s\s+)?\&?\&?[0-9]{2}(:|h|h:)[0-9]{2})/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