use strict;
my $str = '<a id="link-1" href="/regexp-one">正则文章合集(All In One)</a>
<a id="link-2" href="/my-regexp">正则入门教程</a>
<a id="link-3" href="/deep-regexp">正则高级教程</a>
<a id="link-4" href="/regexp-lookaround">正则环视详解</a>
<a id="link-5" href="/php-curl">PHP cURL应用</a>';
my $regex = qr/在此输入你的正则表达式/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