What is the meaning of ?

The hiragana syllable (ne). Its equivalent in katakana is (ne). It is the twenty-fourth syllable in the gojūon order; its position is (na-gyō e-dan, row na, section e).

emphasis and question marker particle; asks for confirmation; right?; eh?; isn't it, innit?

particle that softens a request, or conveys friendliness; okay?; please?

meaningless filler particle, which may also have a softening effect when introducing information; well...; you see...

used to catch listener’s attention; hey

I know, right?

please?

Source: wiktionary.org