Gagolewski M., stringi: Fast and portable character string processing in R, Journal of Statistical Software 103(2), 2022, 1-59, tools:::Rd_expr_doi("10.18637/jss.v103.i02")
stri_reverse(c('123', 'abc d e f'))
stri_reverse('ZXY (\u0105\u0104123$^).')
stri_reverse(stri_trans_nfd('\u0105')) == stri_trans_nfd('\u0105') # A, ogonek -> agonek, A