Filter column with awk and regexp

Question

I\'ve a pretty simple question. I\'ve a file containing several columns and I want to filter them using awk.

So the column of interest is the 6th column and I want to fi

Answer 1

The way to write the script you posted:

awk '{ if($6 == '/[1-100][S|M][1-100][S|M]/') print} file.txt

in awk so it will do what you SEEM to be trying to do is:

awk '$6 ~ /^(([1-9][0-9]?|100)[SM]){2}$/' file.txt

Post some sample input and expected output to help us help you more.