use strict;
my $str = 'rtl433:home/rtl433/RTL_433toMQTT/Rubicson-Temperature/1/244:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/Nexus-TH/1/9:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/WT450-TH/1/1:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/Secplus-v1/0:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/Interlogix-Security/motion/485865:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/Generic-Motion:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/LaCrosse-TX141THBv2/0/168:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/Acurite-609TXC/0:.* { json2nameValue($EVENT) }
rtl433:home/rtl433/RTL_433toMQTT/Acurite-609TXC/128:.* { json2nameValue($EVENT) }';
my $regex = qr/RTL_433toMQTT\/([^\/:]+)\/?:.* /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