['<code>/()/n</code>', 'flag to disable numbered capturing, turning <code>()</code> into <code>(?:)</code>'],
['<code>/\b{}/</code>', 'boundary types: <em>gcb</em> (grapheme cluster), <em>sb</em> (sentence), <em>wb</em> (word)'],
['<code>&.</code>', '<code>& | ^ ~</code> consistently numeric, dotted operators for strings', 'experimental::bitwise'],
['<code>/()/n</code>', 'flag to disable numbered capturing, turning <code>()</code> into <code>(?:)</code>'],
['<code>/\b{}/</code>', 'boundary types: <em>gcb</em> (grapheme cluster), <em>sb</em> (sentence), <em>wb</em> (word)'],
['<code>&.</code>', '<code>& | ^ ~</code> consistently numeric, dotted operators for strings', 'experimental::bitwise'],