how can i use perl to calculate the frequency of : PASS AC=0;AF=0.048;AN=2;ASP;BaseQRankSum=0.572;CAF=[0.9605,.,0.03949];CLNACC=RCV000111759.1,RCV000034730
I'm a newer.I want to know how to match CAF = [0.9605,.,0.03949] using regular expression,thank you