grep test

grep.txt

Hello, how are you
I am grep
Nice to meet you
Comment[zh_CN]=Zarfy Multiple Screens # want this line
whateverComment[zh_CN]=Zarfy Multiple Screens # and not this one

grep.sh

#!/bin/sh

code='[zh_CN]';
grep  "^Comment${code}*" grep.txt                   # both give me 2 lines
grep -F "Comment$code" | grep '^Comment' grep.txt   # both give me 2 lines