R: Count the number of the matches of a pattern in a string.

count_matches {filesstrings}

R Documentation

Count the number of the matches of a pattern in a string.

Vectorized over string and pattern.

count_matches(string, pattern)

`string`	A character vector.
`pattern`	A character vector. Pattern(s) specified like the pattern(s) in the stringr package (e.g. look at `stringr::str_locate()`). If this has length >1 its length must be the same as that of `string`.

An integer vector giving the number of matches in each string.

count_matches(c("abacad", "xyz"), "a")
count_matches("2.1.0.13", ".")
count_matches("2.1.0.13", stringr::coll("."))

[Package filesstrings version 2.5.0 Index]