fn builtin_regexpr(
args: &[RValue],
named: &[(String, RValue)],
) -> Result<RValue, RError>Expand description
Find the first match of a pattern in each element of a character vector.
@param pattern character scalar: regular expression or fixed string @param text character vector to search @param fixed logical: if TRUE, pattern is a literal string @param ignore.case logical: if TRUE, matching is case-insensitive @return integer vector of match positions with “match.length” attribute