if (stri_install_check(silent=TRUE))
stri_locate_all_charclass(c('AbcdeFgHijK', 'abc', 'ABC'), '\\p{Ll}')
if (stri_install_check(silent=TRUE))
stri_locate_all_charclass(c('AbcdeFgHijK', 'abc', 'ABC'), '\\p{Ll}', merge=FALSE)
if (stri_install_check(silent=TRUE))
stri_locate_first_charclass('AaBbCc', '\\p{Ll}')
if (stri_install_check(silent=TRUE))
stri_locate_last_charclass('AaBbCc', '\\p{Ll}')
if (stri_install_check(silent=TRUE))
stri_locate_all_charclass(c('REXAMINE'), '\\p{Lu}', merge=c(TRUE, FALSE))
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