I would point you to Swift's implementation of its "Character" type. Swift string handling is a model for how programming languages should approach Unicode char

I would point you to Swift's implementation of its "Character" type. Swift string handling is a model for how programming languages should approach Unicode characters and their complex combinations. The standard interface into all Swift strings is its "Character" type, which works exclusively with grapheme clusters. [1] https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-ID293 https://developer.apple.com/library/content/documentation/Sw...