use strict;
my $str = 'https://web.archive.org/web/20210709181138if_/https://www.cualquierdominio.es/slug/contenido.html
https://web.archive.org/web/20210709181138/http://www.dominioaceptable.com/slug/contenido.php
https://web.archive.org/web/20210709181138/http://dominiobaneado.co.uk/slug/contenido.html?id=324
https://web.archive.org/web/20210709181138/https://dominiosnuevos.info/slug
https://archive.ph/2021.07.09-181138/https://www.dominio.net/';
my $regex = qr/https:\/\/(?:web.archive.org\/web\/\d*(?:|if_)|archive.*\/.*\/)\/((?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n?]+)).*$/mp;
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