https://www.r-bloggers.com/2024/09/how-to-exclude-specific-matches-in-base-r-using-grep-and-grepl/?relatedposts=1

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https://www.r-bloggers.com/2024/09/how-to-exclude-specific-matches-in-base-r-using-grep-and-grepl/?relatedposts=1

Introduction To exclude specific matches using the grep() function in Base R, you can use the grepl() function in combination with the ! (NOT) operator. This approach allows you to filter out elements that match a particular pattern. Here’s a d...

https://www.r-bloggers.com/2024/09/how-to-exclude-specific-matches-in-base-r-using-grep-and-grepl/?relatedposts=1