r extract everything before character
library(stringr)
str = c("1", "1_ghfjv", "1")
str_extract(string = str, pattern = "[^_]"))r extract everything before character
library(stringr)
str = c("1", "1_ghfjv", "1")
str_extract(string = str, pattern = "[^_]"))Copyright © 2021 Codeinu
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