I have a column with different strings length that are separated by ",". I want to split each rows of this column to separate columns and fill the missing values with "NA", and for...

I have df which contains a column with metro lines. The problem is that L9N and L10N appear sometimes in the same row and I want to split them into two different rows. I have been trying many things b...

I wanted to combine R's rev() function and strsplit function to check if a string is a palindrome. My idea was to use strsplit() to split up my character string into individual letters and then use re...

I feel like this question is asked a lot but all the solutions I found don't work for me either. I have a dataframe with a column (called ID) in which I have a string of numbers and letters (e.g: Q8A2...