line: FOO BAR /$/
    FOO: "foo"
    BAR: "bar"

##</code><code>##

    if (defined (my $ret = $p->line($test))) {

##</code><code>##

no match: 'foo'
no match: 'foo '
match: 'foo bar' -> ''
no match: 'football'
no match: 'fog'
no match: 'barfoo'
no match: 'bar foo'