A range or char_class of characters
Group characters together in a class to match any of them (char_class)
or none of them (negated_char_class).
char_class(...) negated_char_class(...) negate_and_group(...)
... |
Character vectors. |
A character vector representing part or all of a regular expression.
char_class(LOWER, "._") negated_char_class(LOWER, "._") # Usage x <- (1:10) ^ 2 (rx_odd <- char_class(1, 3, 5, 7, 9)) (rx_not_odd <- negated_char_class(1, 3, 5, 7, 9)) stringi::stri_detect_regex(x, rx_odd) stringi::stri_detect_regex(x, rx_not_odd)
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