['s/keep\K//', 'floating positive lookbehind, efficient alternative for s/(keep)/$1/'],
['/\v/, /\h/', 'vertical and horizontal whitespace escapes'],
['my $_', 'lexically scoped version of the default variable'],
['s/keep\K//', 'floating positive lookbehind, efficient alternative for s/(keep)/$1/'],
['/\v/, /\h/', 'vertical and horizontal whitespace escapes'],
['my $_', 'lexically scoped version of the default variable'],