Calixte Denizet 0c97aa7555
Use Intl.Segmenter for the entire-word search matching
`getCharacterType` was a port of the old `WordBreaker::GetClass`,
which has been removed and replaced with ICU4X word segmentation.
Use `Intl.Segmenter` instead, testing each match boundary on the two
adjacent grapheme clusters in isolation like Firefox's find.

It fixes #21520.
2026-07-05 14:37:21 +02:00
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