matchOne | R Documentation |
Search for first match to argument pattern within each element of a character vector. Returns corresponding substrings (compare stringr::str_match).
matchOne(string = NA, pattern = ".*", value = T, ...)
string |
Character vector where matches are sought. |
pattern |
Character string containing a regular expression (or character string for fixed = TRUE) to be matched in the given character vector. |
value |
Logical value. If T (default) returns substrings. Otherwise returns positions. |
matchOne(string=c("Hello world","Hello"),pattern="wo.*")
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