javascript - Filter non-Alpha characters for multiple languages -

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i want write regex remove non alpha characters, follows:

björn -> björn barry's -> barrys who? -> cibé? -> cibé i'd -> id ice-cream -> icecream no!!! -> no [{brackets}] -> brackets ~inv3rse -> invrse

and convert characters lowercase versions. how do languages or @ least european languages using latin script?

str.tolowercase().replace(/[^a-z]/gi,'');

this convert lowercase, replace isn't alphabetic character (a-z) empty string, removing them. in order keep other characters (like e accent mark) add symbol regex.


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