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gsub()
grep()
This function is a shorthand of gsub(pattern, replacement, grep(pattern, x, value = TRUE)).
gsub(pattern, replacement, grep(pattern, x, value = TRUE))
grep_sub(pattern, replacement, x, ...)
A character vector.
Passed to grep() and gsub().
# find elements that matches 'a[b]+c' and capitalize 'b' with perl regex xfun::grep_sub("a([b]+)c", "a\\U\\1c", c("abc", "abbbc", "addc", "123"), perl = TRUE)
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