printf "foo\nversion   '1.2.36'\nbaz\n" | perl -MData::Dumper -pi -e "next unless /version/; ($version) = /version\s+('1\.2\.36')/; print $version"

    foo
    version   '1.2.36'
    version   '1.2.36'
    baz

printf "foo\nversion   '1.2.36'\nbaz\n" | perl -MData::Dumper -pi -e "next unless /version/; ($version) = /version\s+('1\.2\.36')/; print Dumper $version"
 
    foo
    version   '1.2.36'
    baz

printf "foo\nversion   '1.2.36'\nbaz\n" | perl -MData::Dumper -pi -e "next unless /version/; ($version) = /version\s+('1\.2\.36')/; print Dumper \$version"

    foo
    $VAR1 = undef;
    version   '1.2.36'
    baz

printf "foo\nversion   '1.2.36'\nbaz\n" | perl -pi -e 'next unless /version/; ($version) = $_ =~ m{ version \s+ ''(1[.]2[.]36)'' }xms; print "version:" . $version . "\n"'

    foo
    version:
    version   '1.2.36'
    baz