new => [
['<code>//</code>', 'defined-or operator'],
['<code>~~</code>', 'smart-match operator to compare different data types <small>(updated in v5.10.1)</small>', 'experimental::smartmatch'],
new => [
['<code>//</code>', 'defined-or operator'],
['<code>~~</code>', 'smart-match operator to compare different data types <small>(updated in v5.10.1)</small>', 'experimental::smartmatch'],
['<code>given</code>', 'switch statement to smart-match with <code>when</code>/<code>default</code>', 'experimental::smartmatch'],
['<code>/(?<name>)/</code>', 'named capture buffers into <code>%+</code>'],
['<code>given</code>', 'switch statement to smart-match with <code>when</code>/<code>default</code>', 'experimental::smartmatch'],
['<code>/(?<name>)/</code>', 'named capture buffers into <code>%+</code>'],
+ ['<code>/(?1)/</code>', 'recursive regular expression patterns'],
+ ['<code>/.++/</code>', 'possessive quantifiers <code>?+</code>, <code>*+</code>, <code>++</code> to match greedily'],
['<code>s/keep\K//</code>', 'floating positive lookbehind, efficient alternative for <code>s/(keep)/$1/</code>'],
['<code>/\v/, /\h/</code>', 'vertical and horizontal whitespace escapes'],
['<code>my $_</code>', 'lexically scoped version of the default variable', v0.5.23.4, 'experimental::lexical_topic'],
['<code>s/keep\K//</code>', 'floating positive lookbehind, efficient alternative for <code>s/(keep)/$1/</code>'],
['<code>/\v/, /\h/</code>', 'vertical and horizontal whitespace escapes'],
['<code>my $_</code>', 'lexically scoped version of the default variable', v0.5.23.4, 'experimental::lexical_topic'],