Utilisez grepl pour rechercher des correspondances pour n
Using The grepl function in R  ProgrammingR
grep grepl R Functions 3 Examples
grep function RDocumentation
R How to Use grepl with Multiple Patterns Statology
grepl and grep functions in R ️ Pattern Matching
Filter Piping and GREPL Using R DPLYR An Intro
R Grepl Watch Full 💖 [KsgYm New Update 55 Files :: 611 MB]