use strict;
my $str = 'maxmx dfgdfg
Mymaxmusis
Lemdfgudf
muster
mustr
zxmus
stackoverflow';
my $regex = qr/(?|((?:
m(?=a)
|(?<=m)a
|a(?=x)
|(?<=a)x
|x(?=m)
|(?<=x)m
|m(?=u)
|(?<=m)u
|u(?=s)
|(?<=u)s
|s(?=t)
|(?<=s)t
|t(?=e)
|(?<=t)e
|e(?=r)
|(?<=e)r
)+)|([maxmuster]))/xp;
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