/R/Extract first element before a character stringr

Extract first element before a character stringr

library(stringr)

df1 <- read.table(text = "ABC|DEF|GHI, ABCD|EFG|HIJK,  ABCDE|FGHI|JKL,  
                         DEF|GHIJ|KLM, GHI|JKLM|NO|PQRS, BCDE|FGHI|JKL")
#extract 1st word before |
word(df1$V1,1,sep = "\\|")

Source: stackoverflow.com

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