It returns a vector of the indices of the input vector elements where matches are found.It searches for matches to an argument pattern within the given character vector.Here are some key aspects of the grep function: This is particularly useful for filtering and processing data, especially when it comes to text analysis or data-cleaning tasks. The main function of grep() is to search for matches of a given pattern within each element of a character vector. How does R return matched elements with grep()? 1) Handling Single-Byte and Multibyte Locales.Additional Pattern-Matching Functions in R.What is The Difference Between Grep and Grepl.What is The Alternative to the Grep Function?.
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