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R’s Global Regular Expression Function

Steven Sanderson has me wondering who Greg is and why he gets an expression of his own:

If you’ve ever worked with text data in R, you know how important it is to have powerful tools for pattern matching. One such tool is the gregexpr() function. This function is incredibly useful when you need to find all occurrences of a pattern within a string. Today, we’ll go into how gregexpr() works, explore its syntax, and go through several examples to make things clear.

Read on to learn more about the global regular expression function and how it works.