how to split a column in 2 using R code example

Example 1: how to split a column in r

library(tidyverse)
df <- df %>% separate(old_col_name, c('new_col_1','new_col_2'), extra='drop')

Example 2: r split column by delimiter

within(df, FOO<-data.frame(do.call('rbind', strsplit(as.character(FOO), '|', fixed=TRUE))))