str_detect() Function in R Language is used to check if the specified match of the substring exists in the original string. It will return TRUE for a match found otherwise FALSE against each of the element of the Vector or matrix.
Note: This function uses 'stringr' Library.
Syntax: str_detect(string, pattern)
string: specified string
pattern: Pattern to be matched
 TRUE FALSE FALSE FALSE
,, 1 [, 1] [, 2] [1, ] "Geeks" "Welcome" [2, ] "Geeks" "Geeks",, 2 [, 1] [, 2] [1, ] "Geeks" "Geeks" [2, ] "Hello" "Geeks"  TRUE TRUE FALSE TRUE TRUE FALSE TRUE TRUE
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