Select rows from data.frame ending with a specific character string in R

Question

I\'m using R and I have a data.frame with nearly 2,000 entries that looks as follows:

> head(PVs,15)
     LogFreq   Word PhonCV  FreqDev
1593     140    w         


        

Answer 1

Using grep

grep -xvE '.{17}(de|te).*' file.txt