use strict;
my $str = 'job2:
image:
name: docker:23.0.6-alpine3.17
services:
- docker:23.0.6-dind-alpine3.17
variables:
DOCKER_DRIVER: overlay2
script:
- echo test 2
job3:
image: hadolint/hadolint:v2.12.0-alpine
script:
- echo test 3
include:
- local: test.gitlab-ci.yml
job1:
image: python:3.11.4-alpine3.17
script:
- echo test 1
FROM python:3.11.4-alpine3.17
';
my $regex = qr/(?:image:\s+name:\s*|image:\s*|services:\s+-\s+|FROM\s+)(?<depName>[\S]+):(?<currentValue>[\S]+)/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