use strict;
my $str = 'adlo2gc01-adinbcgw01-16-04-28-12_37_20_1461847501.log:1464846761.422 184 10.221.251.213 TCP_NC_MISS/200 312 GET http://nqs-u33-gc2.redacted.com/ping?time=27.50399999995716&pingTime=5&totalBytes=334203&dataType=0&code=U_19160_3m2x9n8t2tywsyus&diffTime=5335 HTTP/1.1 userid -/nqs-usc1-gc2.redacted.com text/plain http://www.moon.com/audio Mozilla/5.0%20(Windows%20NT%206.1;%20WOW64)%20AppleWebKit/537.36%20(KHTML,%20like%20Gecko)%20Chrome/49.0.2623.112%20Safari/537.36 - --- OIP:114.155.103.27 AIP:215.74.50.9:8882 CAT:"Business Economy" NSL:0 OCT:27 ORT:60 XFF:11.51.42.169 PSP:52135 732 SSL-C:none SSL-V:- XVID:-';
my $regex = qr/CAT:"((?:[^\"]+|\\.)*)"/p;
if ( $str =~ /$regex/ ) {
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