replacing the `'` char using awk

Question

I have lines with a single : and a\' in them that I want to get rid of. I want to use awk for this. I\'ve tried using:

Answer 1

tr is made for this purpose

echo test\'\'\'\':::string | tr -d \':
teststring

$ echo test\'\'\'\':::string | awk '{gsub(/[:\47]*/,"");print $0}'
teststring