re_contains {re} | R Documentation |
Check if string contains a regular expression
Description
re_contains
checks whether a specified pattern (regular expression) is found within each element of a
character vector. If the provided pattern is not already a compiled pattern object, it compiles it using
re_compile
.
Usage
re_contains(pattern, string, ...)
Arguments
pattern |
A regular expression pattern or a compiled pattern object. |
string |
A character vector where each element is a string to be checked against the pattern. |
... |
Arguments passed on to
|
Value
A logical vector of the same length as string
, indicating whether each element contains a match for the
pattern.
Examples
pattern <- re_compile("^abc", IGNORECASE)
re_contains(pattern, "Abcdef")
re_contains("xyz$", "hello world xyz")