\ban ASCII word boundary
n+the literal n (11010 / 1568 / 6E16) (case insensitive), repeated at least once
e+the literal e (10110 / 1458 / 6516) (case insensitive), repeated at least once
i+the literal i (10510 / 1518 / 6916) (case insensitive), repeated at least once
g+the literal g (10310 / 1478 / 6716) (case insensitive), repeated at least once
h+the literal h (10410 / 1508 / 6816) (case insensitive), repeated at least once
\ban ASCII word boundary
g modifier: global. Finds all matches instead of stopping after the first
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters